Home / 11,176.68-15,425.15-6,702.89

Finding the Fourth Proportional to 11,176.68, 15,425.15 and 6,702.89

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Solution

The fourth proportional to 11,176.68, 15,425.15 and 6,702.89 is: 9,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.68 : 15,425.15 = 6,702.89 : x
  2. Step 2: Convert to fraction form
    11,176.68/15,425.15 = 6,702.89/x
  3. Step 3: Cross multiply
    11,176.68x = 15,425.15 × 6,702.89
  4. Step 4: Simplify right side
    11,176.68x = 103,393,061.88
  5. Step 5: Solve for x
    x = 103,393,061.88/11,176.68
  6. Step 6: Final answer
    x = 9,250.79

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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.