Home / 10,132.80-13,983.49-5,656.33

Finding the Fourth Proportional to 10,132.80, 13,983.49 and 5,656.33

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Solution

The fourth proportional to 10,132.80, 13,983.49 and 5,656.33 is: 7,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.80 : 13,983.49 = 5,656.33 : x
  2. Step 2: Convert to fraction form
    10,132.80/13,983.49 = 5,656.33/x
  3. Step 3: Cross multiply
    10,132.80x = 13,983.49 × 5,656.33
  4. Step 4: Simplify right side
    10,132.80x = 79,095,226.72
  5. Step 5: Solve for x
    x = 79,095,226.72/10,132.80
  6. Step 6: Final answer
    x = 7,805.86

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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.