Home / 10,366.40-15,549.52-5,981.04

Finding the Fourth Proportional to 10,366.40, 15,549.52 and 5,981.04

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Solution

The fourth proportional to 10,366.40, 15,549.52 and 5,981.04 is: 8,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.40 : 15,549.52 = 5,981.04 : x
  2. Step 2: Convert to fraction form
    10,366.40/15,549.52 = 5,981.04/x
  3. Step 3: Cross multiply
    10,366.40x = 15,549.52 × 5,981.04
  4. Step 4: Simplify right side
    10,366.40x = 93,002,301.10
  5. Step 5: Solve for x
    x = 93,002,301.10/10,366.40
  6. Step 6: Final answer
    x = 8,971.51

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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.