Home / 10,825.38-14,949.12-7,967.70

Finding the Fourth Proportional to 10,825.38, 14,949.12 and 7,967.70

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Solution

The fourth proportional to 10,825.38, 14,949.12 and 7,967.70 is: 11,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.38 : 14,949.12 = 7,967.70 : x
  2. Step 2: Convert to fraction form
    10,825.38/14,949.12 = 7,967.70/x
  3. Step 3: Cross multiply
    10,825.38x = 14,949.12 × 7,967.70
  4. Step 4: Simplify right side
    10,825.38x = 119,110,103.42
  5. Step 5: Solve for x
    x = 119,110,103.42/10,825.38
  6. Step 6: Final answer
    x = 11,002.86

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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.