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Finding the Fourth Proportional to 8,473.77, 12,760.36 and 7,391.07

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Solution

The fourth proportional to 8,473.77, 12,760.36 and 7,391.07 is: 11,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.77 : 12,760.36 = 7,391.07 : x
  2. Step 2: Convert to fraction form
    8,473.77/12,760.36 = 7,391.07/x
  3. Step 3: Cross multiply
    8,473.77x = 12,760.36 × 7,391.07
  4. Step 4: Simplify right side
    8,473.77x = 94,312,695.51
  5. Step 5: Solve for x
    x = 94,312,695.51/8,473.77
  6. Step 6: Final answer
    x = 11,129.96

Related Problems

Find fourth proportional to 4,236.89, 6,380.18 and 3,695.54
Half scale
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Double scale
Find fourth proportional to 8,474.77, 12,761.86 and 7,392.07
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.