Home / 10,127.40-13,976.52-5,652.03

Finding the Fourth Proportional to 10,127.40, 13,976.52 and 5,652.03

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Solution

The fourth proportional to 10,127.40, 13,976.52 and 5,652.03 is: 7,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.40 : 13,976.52 = 5,652.03 : x
  2. Step 2: Convert to fraction form
    10,127.40/13,976.52 = 5,652.03/x
  3. Step 3: Cross multiply
    10,127.40x = 13,976.52 × 5,652.03
  4. Step 4: Simplify right side
    10,127.40x = 78,995,710.62
  5. Step 5: Solve for x
    x = 78,995,710.62/10,127.40
  6. Step 6: Final answer
    x = 7,800.19

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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.