Home / 11,123.84-15,350.24-6,087.12

Finding the Fourth Proportional to 11,123.84, 15,350.24 and 6,087.12

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Solution

The fourth proportional to 11,123.84, 15,350.24 and 6,087.12 is: 8,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.84 : 15,350.24 = 6,087.12 : x
  2. Step 2: Convert to fraction form
    11,123.84/15,350.24 = 6,087.12/x
  3. Step 3: Cross multiply
    11,123.84x = 15,350.24 × 6,087.12
  4. Step 4: Simplify right side
    11,123.84x = 93,438,752.91
  5. Step 5: Solve for x
    x = 93,438,752.91/11,123.84
  6. Step 6: Final answer
    x = 8,399.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.