Home / 10,132.35-13,982.64-5,655.96

Finding the Fourth Proportional to 10,132.35, 13,982.64 and 5,655.96

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Solution

The fourth proportional to 10,132.35, 13,982.64 and 5,655.96 is: 7,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.35 : 13,982.64 = 5,655.96 : x
  2. Step 2: Convert to fraction form
    10,132.35/13,982.64 = 5,655.96/x
  3. Step 3: Cross multiply
    10,132.35x = 13,982.64 × 5,655.96
  4. Step 4: Simplify right side
    10,132.35x = 79,085,252.53
  5. Step 5: Solve for x
    x = 79,085,252.53/10,132.35
  6. Step 6: Final answer
    x = 7,805.22

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1.5x scale

Why These Related Problems?

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