Home / 10,132.26-13,981.14-5,655.60

Finding the Fourth Proportional to 10,132.26, 13,981.14 and 5,655.60

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Solution

The fourth proportional to 10,132.26, 13,981.14 and 5,655.60 is: 7,803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.26 : 13,981.14 = 5,655.60 : x
  2. Step 2: Convert to fraction form
    10,132.26/13,981.14 = 5,655.60/x
  3. Step 3: Cross multiply
    10,132.26x = 13,981.14 × 5,655.60
  4. Step 4: Simplify right side
    10,132.26x = 79,071,735.38
  5. Step 5: Solve for x
    x = 79,071,735.38/10,132.26
  6. Step 6: Final answer
    x = 7,803.96

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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.