Home / 10,158.48-15,232.13-3,136.56

Finding the Fourth Proportional to 10,158.48, 15,232.13 and 3,136.56

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Solution

The fourth proportional to 10,158.48, 15,232.13 and 3,136.56 is: 4,703.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.48 : 15,232.13 = 3,136.56 : x
  2. Step 2: Convert to fraction form
    10,158.48/15,232.13 = 3,136.56/x
  3. Step 3: Cross multiply
    10,158.48x = 15,232.13 × 3,136.56
  4. Step 4: Simplify right side
    10,158.48x = 47,776,446.27
  5. Step 5: Solve for x
    x = 47,776,446.27/10,158.48
  6. Step 6: Final answer
    x = 4,703.11

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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.