Home / 7,472.91-11,187.60-5,824.43

Finding the Fourth Proportional to 7,472.91, 11,187.60 and 5,824.43

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Solution

The fourth proportional to 7,472.91, 11,187.60 and 5,824.43 is: 8,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.91 : 11,187.60 = 5,824.43 : x
  2. Step 2: Convert to fraction form
    7,472.91/11,187.60 = 5,824.43/x
  3. Step 3: Cross multiply
    7,472.91x = 11,187.60 × 5,824.43
  4. Step 4: Simplify right side
    7,472.91x = 65,161,393.07
  5. Step 5: Solve for x
    x = 65,161,393.07/7,472.91
  6. Step 6: Final answer
    x = 8,719.68

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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.