Home / 9,428.80-14,143.20-2,408.83

Finding the Fourth Proportional to 9,428.80, 14,143.20 and 2,408.83

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Solution

The fourth proportional to 9,428.80, 14,143.20 and 2,408.83 is: 3,613.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.80 : 14,143.20 = 2,408.83 : x
  2. Step 2: Convert to fraction form
    9,428.80/14,143.20 = 2,408.83/x
  3. Step 3: Cross multiply
    9,428.80x = 14,143.20 × 2,408.83
  4. Step 4: Simplify right side
    9,428.80x = 34,068,523.08
  5. Step 5: Solve for x
    x = 34,068,523.08/9,428.80
  6. Step 6: Final answer
    x = 3,613.24

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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.