Home / 10,553.78-15,836.09-4,714.22

Finding the Fourth Proportional to 10,553.78, 15,836.09 and 4,714.22

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Solution

The fourth proportional to 10,553.78, 15,836.09 and 4,714.22 is: 7,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.78 : 15,836.09 = 4,714.22 : x
  2. Step 2: Convert to fraction form
    10,553.78/15,836.09 = 4,714.22/x
  3. Step 3: Cross multiply
    10,553.78x = 15,836.09 × 4,714.22
  4. Step 4: Simplify right side
    10,553.78x = 74,654,812.20
  5. Step 5: Solve for x
    x = 74,654,812.20/10,553.78
  6. Step 6: Final answer
    x = 7,073.75

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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.