Home / 10,207.92-15,282.13-7,587.03

Finding the Fourth Proportional to 10,207.92, 15,282.13 and 7,587.03

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Solution

The fourth proportional to 10,207.92, 15,282.13 and 7,587.03 is: 11,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.92 : 15,282.13 = 7,587.03 : x
  2. Step 2: Convert to fraction form
    10,207.92/15,282.13 = 7,587.03/x
  3. Step 3: Cross multiply
    10,207.92x = 15,282.13 × 7,587.03
  4. Step 4: Simplify right side
    10,207.92x = 115,945,978.77
  5. Step 5: Solve for x
    x = 115,945,978.77/10,207.92
  6. Step 6: Final answer
    x = 11,358.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.