Home / 9,213.43-12,714.15-5,234.53

Finding the Fourth Proportional to 9,213.43, 12,714.15 and 5,234.53

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Solution

The fourth proportional to 9,213.43, 12,714.15 and 5,234.53 is: 7,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.43 : 12,714.15 = 5,234.53 : x
  2. Step 2: Convert to fraction form
    9,213.43/12,714.15 = 5,234.53/x
  3. Step 3: Cross multiply
    9,213.43x = 12,714.15 × 5,234.53
  4. Step 4: Simplify right side
    9,213.43x = 66,552,599.60
  5. Step 5: Solve for x
    x = 66,552,599.60/9,213.43
  6. Step 6: Final answer
    x = 7,223.43

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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.