Home / 7,451.10-11,176.65-4,329.90

Finding the Fourth Proportional to 7,451.10, 11,176.65 and 4,329.90

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Solution

The fourth proportional to 7,451.10, 11,176.65 and 4,329.90 is: 6,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.10 : 11,176.65 = 4,329.90 : x
  2. Step 2: Convert to fraction form
    7,451.10/11,176.65 = 4,329.90/x
  3. Step 3: Cross multiply
    7,451.10x = 11,176.65 × 4,329.90
  4. Step 4: Simplify right side
    7,451.10x = 48,393,776.84
  5. Step 5: Solve for x
    x = 48,393,776.84/7,451.10
  6. Step 6: Final answer
    x = 6,494.85

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Double scale
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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.