Home / 9,742.92-14,613-3,169.20

Finding the Fourth Proportional to 9,742.92, 14,613 and 3,169.20

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Solution

The fourth proportional to 9,742.92, 14,613 and 3,169.20 is: 4,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.92 : 14,613 = 3,169.20 : x
  2. Step 2: Convert to fraction form
    9,742.92/14,613 = 3,169.20/x
  3. Step 3: Cross multiply
    9,742.92x = 14,613 × 3,169.20
  4. Step 4: Simplify right side
    9,742.92x = 46,311,519.60
  5. Step 5: Solve for x
    x = 46,311,519.60/9,742.92
  6. Step 6: Final answer
    x = 4,753.35

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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.