Home / 10,154.25-15,217.43-5,714.06

Finding the Fourth Proportional to 10,154.25, 15,217.43 and 5,714.06

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Solution

The fourth proportional to 10,154.25, 15,217.43 and 5,714.06 is: 8,563.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.25 : 15,217.43 = 5,714.06 : x
  2. Step 2: Convert to fraction form
    10,154.25/15,217.43 = 5,714.06/x
  3. Step 3: Cross multiply
    10,154.25x = 15,217.43 × 5,714.06
  4. Step 4: Simplify right side
    10,154.25x = 86,953,203.41
  5. Step 5: Solve for x
    x = 86,953,203.41/10,154.25
  6. Step 6: Final answer
    x = 8,563.23

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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.