Home / 8,888.03-12,267.86-5,111.61

Finding the Fourth Proportional to 8,888.03, 12,267.86 and 5,111.61

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Solution

The fourth proportional to 8,888.03, 12,267.86 and 5,111.61 is: 7,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.03 : 12,267.86 = 5,111.61 : x
  2. Step 2: Convert to fraction form
    8,888.03/12,267.86 = 5,111.61/x
  3. Step 3: Cross multiply
    8,888.03x = 12,267.86 × 5,111.61
  4. Step 4: Simplify right side
    8,888.03x = 62,708,444.29
  5. Step 5: Solve for x
    x = 62,708,444.29/8,888.03
  6. Step 6: Final answer
    x = 7,055.38

Related Problems

Find fourth proportional to 4,444.01, 6,133.93 and 2,555.80
Half scale
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Double scale
Find fourth proportional to 8,889.03, 12,269.24 and 5,112.61
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.