Home / 10,091.43-15,137.15-4,543.74

Finding the Fourth Proportional to 10,091.43, 15,137.15 and 4,543.74

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Solution

The fourth proportional to 10,091.43, 15,137.15 and 4,543.74 is: 6,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.43 : 15,137.15 = 4,543.74 : x
  2. Step 2: Convert to fraction form
    10,091.43/15,137.15 = 4,543.74/x
  3. Step 3: Cross multiply
    10,091.43x = 15,137.15 × 4,543.74
  4. Step 4: Simplify right side
    10,091.43x = 68,779,251.22
  5. Step 5: Solve for x
    x = 68,779,251.22/10,091.43
  6. Step 6: Final answer
    x = 6,815.61

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Similar ratio
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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.