Home / 10,457.01-15,687.92-3,437.62

Finding the Fourth Proportional to 10,457.01, 15,687.92 and 3,437.62

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Solution

The fourth proportional to 10,457.01, 15,687.92 and 3,437.62 is: 5,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.01 : 15,687.92 = 3,437.62 : x
  2. Step 2: Convert to fraction form
    10,457.01/15,687.92 = 3,437.62/x
  3. Step 3: Cross multiply
    10,457.01x = 15,687.92 × 3,437.62
  4. Step 4: Simplify right side
    10,457.01x = 53,929,076.92
  5. Step 5: Solve for x
    x = 53,929,076.92/10,457.01
  6. Step 6: Final answer
    x = 5,157.22

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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.