Home / 11,087.19-15,299.71-6,306.49

Finding the Fourth Proportional to 11,087.19, 15,299.71 and 6,306.49

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Solution

The fourth proportional to 11,087.19, 15,299.71 and 6,306.49 is: 8,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.19 : 15,299.71 = 6,306.49 : x
  2. Step 2: Convert to fraction form
    11,087.19/15,299.71 = 6,306.49/x
  3. Step 3: Cross multiply
    11,087.19x = 15,299.71 × 6,306.49
  4. Step 4: Simplify right side
    11,087.19x = 96,487,468.12
  5. Step 5: Solve for x
    x = 96,487,468.12/11,087.19
  6. Step 6: Final answer
    x = 8,702.61

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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.