Home / 9,213.48-12,714.90-5,234.52

Finding the Fourth Proportional to 9,213.48, 12,714.90 and 5,234.52

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Solution

The fourth proportional to 9,213.48, 12,714.90 and 5,234.52 is: 7,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.48 : 12,714.90 = 5,234.52 : x
  2. Step 2: Convert to fraction form
    9,213.48/12,714.90 = 5,234.52/x
  3. Step 3: Cross multiply
    9,213.48x = 12,714.90 × 5,234.52
  4. Step 4: Simplify right side
    9,213.48x = 66,556,398.35
  5. Step 5: Solve for x
    x = 66,556,398.35/9,213.48
  6. Step 6: Final answer
    x = 7,223.81

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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.