Home / 10,862.60-16,298.70-5,016.20

Finding the Fourth Proportional to 10,862.60, 16,298.70 and 5,016.20

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Solution

The fourth proportional to 10,862.60, 16,298.70 and 5,016.20 is: 7,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.60 : 16,298.70 = 5,016.20 : x
  2. Step 2: Convert to fraction form
    10,862.60/16,298.70 = 5,016.20/x
  3. Step 3: Cross multiply
    10,862.60x = 16,298.70 × 5,016.20
  4. Step 4: Simplify right side
    10,862.60x = 81,757,538.94
  5. Step 5: Solve for x
    x = 81,757,538.94/10,862.60
  6. Step 6: Final answer
    x = 7,526.52

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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.