Home / 10,191.27-15,279.66-3,946.01

Finding the Fourth Proportional to 10,191.27, 15,279.66 and 3,946.01

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Solution

The fourth proportional to 10,191.27, 15,279.66 and 3,946.01 is: 5,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.27 : 15,279.66 = 3,946.01 : x
  2. Step 2: Convert to fraction form
    10,191.27/15,279.66 = 3,946.01/x
  3. Step 3: Cross multiply
    10,191.27x = 15,279.66 × 3,946.01
  4. Step 4: Simplify right side
    10,191.27x = 60,293,691.16
  5. Step 5: Solve for x
    x = 60,293,691.16/10,191.27
  6. Step 6: Final answer
    x = 5,916.21

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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.