Home / 11,701.08-16,142.88-7,451.04

Finding the Fourth Proportional to 11,701.08, 16,142.88 and 7,451.04

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Solution

The fourth proportional to 11,701.08, 16,142.88 and 7,451.04 is: 10,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.08 : 16,142.88 = 7,451.04 : x
  2. Step 2: Convert to fraction form
    11,701.08/16,142.88 = 7,451.04/x
  3. Step 3: Cross multiply
    11,701.08x = 16,142.88 × 7,451.04
  4. Step 4: Simplify right side
    11,701.08x = 120,281,244.60
  5. Step 5: Solve for x
    x = 120,281,244.60/11,701.08
  6. Step 6: Final answer
    x = 10,279.50

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Double scale
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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.