Home / 7,134.38-9,842.12-4,617.30

Finding the Fourth Proportional to 7,134.38, 9,842.12 and 4,617.30

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Solution

The fourth proportional to 7,134.38, 9,842.12 and 4,617.30 is: 6,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.38 : 9,842.12 = 4,617.30 : x
  2. Step 2: Convert to fraction form
    7,134.38/9,842.12 = 4,617.30/x
  3. Step 3: Cross multiply
    7,134.38x = 9,842.12 × 4,617.30
  4. Step 4: Simplify right side
    7,134.38x = 45,443,971.47
  5. Step 5: Solve for x
    x = 45,443,971.47/7,134.38
  6. Step 6: Final answer
    x = 6,369.72

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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.