Home / 10,136.76-15,200.04-5,921.46

Finding the Fourth Proportional to 10,136.76, 15,200.04 and 5,921.46

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Solution

The fourth proportional to 10,136.76, 15,200.04 and 5,921.46 is: 8,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.76 : 15,200.04 = 5,921.46 : x
  2. Step 2: Convert to fraction form
    10,136.76/15,200.04 = 5,921.46/x
  3. Step 3: Cross multiply
    10,136.76x = 15,200.04 × 5,921.46
  4. Step 4: Simplify right side
    10,136.76x = 90,006,428.86
  5. Step 5: Solve for x
    x = 90,006,428.86/10,136.76
  6. Step 6: Final answer
    x = 8,879.21

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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.