Home / 8,319.06-12,527.82-7,236.51

Finding the Fourth Proportional to 8,319.06, 12,527.82 and 7,236.51

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Solution

The fourth proportional to 8,319.06, 12,527.82 and 7,236.51 is: 10,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.06 : 12,527.82 = 7,236.51 : x
  2. Step 2: Convert to fraction form
    8,319.06/12,527.82 = 7,236.51/x
  3. Step 3: Cross multiply
    8,319.06x = 12,527.82 × 7,236.51
  4. Step 4: Simplify right side
    8,319.06x = 90,657,694.71
  5. Step 5: Solve for x
    x = 90,657,694.71/8,319.06
  6. Step 6: Final answer
    x = 10,897.59

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Half scale
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Double scale
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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.