Home / 11,091.52-15,306.24-6,377.28

Finding the Fourth Proportional to 11,091.52, 15,306.24 and 6,377.28

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Solution

The fourth proportional to 11,091.52, 15,306.24 and 6,377.28 is: 8,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.52 : 15,306.24 = 6,377.28 : x
  2. Step 2: Convert to fraction form
    11,091.52/15,306.24 = 6,377.28/x
  3. Step 3: Cross multiply
    11,091.52x = 15,306.24 × 6,377.28
  4. Step 4: Simplify right side
    11,091.52x = 97,612,178.23
  5. Step 5: Solve for x
    x = 97,612,178.23/11,091.52
  6. Step 6: Final answer
    x = 8,800.61

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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.