Home / 10,016.52-13,820.28-6,429.84

Finding the Fourth Proportional to 10,016.52, 13,820.28 and 6,429.84

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Solution

The fourth proportional to 10,016.52, 13,820.28 and 6,429.84 is: 8,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.52 : 13,820.28 = 6,429.84 : x
  2. Step 2: Convert to fraction form
    10,016.52/13,820.28 = 6,429.84/x
  3. Step 3: Cross multiply
    10,016.52x = 13,820.28 × 6,429.84
  4. Step 4: Simplify right side
    10,016.52x = 88,862,189.16
  5. Step 5: Solve for x
    x = 88,862,189.16/10,016.52
  6. Step 6: Final answer
    x = 8,871.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.