Home / 10,937.57-15,088.60-7,159.07

Finding the Fourth Proportional to 10,937.57, 15,088.60 and 7,159.07

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Solution

The fourth proportional to 10,937.57, 15,088.60 and 7,159.07 is: 9,876.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.57 : 15,088.60 = 7,159.07 : x
  2. Step 2: Convert to fraction form
    10,937.57/15,088.60 = 7,159.07/x
  3. Step 3: Cross multiply
    10,937.57x = 15,088.60 × 7,159.07
  4. Step 4: Simplify right side
    10,937.57x = 108,020,363.43
  5. Step 5: Solve for x
    x = 108,020,363.43/10,937.57
  6. Step 6: Final answer
    x = 9,876.08

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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.