Home / 7,499.42-11,242.92-4,371.74

Finding the Fourth Proportional to 7,499.42, 11,242.92 and 4,371.74

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Solution

The fourth proportional to 7,499.42, 11,242.92 and 4,371.74 is: 6,553.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.42 : 11,242.92 = 4,371.74 : x
  2. Step 2: Convert to fraction form
    7,499.42/11,242.92 = 4,371.74/x
  3. Step 3: Cross multiply
    7,499.42x = 11,242.92 × 4,371.74
  4. Step 4: Simplify right side
    7,499.42x = 49,151,123.08
  5. Step 5: Solve for x
    x = 49,151,123.08/7,499.42
  6. Step 6: Final answer
    x = 6,553.99

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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.