Home / 10,088.20-15,128.25-5,929.26

Finding the Fourth Proportional to 10,088.20, 15,128.25 and 5,929.26

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Solution

The fourth proportional to 10,088.20, 15,128.25 and 5,929.26 is: 8,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.20 : 15,128.25 = 5,929.26 : x
  2. Step 2: Convert to fraction form
    10,088.20/15,128.25 = 5,929.26/x
  3. Step 3: Cross multiply
    10,088.20x = 15,128.25 × 5,929.26
  4. Step 4: Simplify right side
    10,088.20x = 89,699,327.60
  5. Step 5: Solve for x
    x = 89,699,327.60/10,088.20
  6. Step 6: Final answer
    x = 8,891.51

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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.