Home / 10,157.28-15,238.24-4,314.08

Finding the Fourth Proportional to 10,157.28, 15,238.24 and 4,314.08

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Solution

The fourth proportional to 10,157.28, 15,238.24 and 4,314.08 is: 6,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.28 : 15,238.24 = 4,314.08 : x
  2. Step 2: Convert to fraction form
    10,157.28/15,238.24 = 4,314.08/x
  3. Step 3: Cross multiply
    10,157.28x = 15,238.24 × 4,314.08
  4. Step 4: Simplify right side
    10,157.28x = 65,738,986.42
  5. Step 5: Solve for x
    x = 65,738,986.42/10,157.28
  6. Step 6: Final answer
    x = 6,472.11

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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.