Home / 11,522.20-17,288.15-6,851.13

Finding the Fourth Proportional to 11,522.20, 17,288.15 and 6,851.13

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Solution

The fourth proportional to 11,522.20, 17,288.15 and 6,851.13 is: 10,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.20 : 17,288.15 = 6,851.13 : x
  2. Step 2: Convert to fraction form
    11,522.20/17,288.15 = 6,851.13/x
  3. Step 3: Cross multiply
    11,522.20x = 17,288.15 × 6,851.13
  4. Step 4: Simplify right side
    11,522.20x = 118,443,363.11
  5. Step 5: Solve for x
    x = 118,443,363.11/11,522.20
  6. Step 6: Final answer
    x = 10,279.58

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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.