Home / 12,599.28-18,892.44-5,670

Finding the Fourth Proportional to 12,599.28, 18,892.44 and 5,670

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Solution

The fourth proportional to 12,599.28, 18,892.44 and 5,670 is: 8,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.28 : 18,892.44 = 5,670 : x
  2. Step 2: Convert to fraction form
    12,599.28/18,892.44 = 5,670/x
  3. Step 3: Cross multiply
    12,599.28x = 18,892.44 × 5,670
  4. Step 4: Simplify right side
    12,599.28x = 107,120,134.80
  5. Step 5: Solve for x
    x = 107,120,134.80/12,599.28
  6. Step 6: Final answer
    x = 8,502.08

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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.