Home / 10,926.97-15,086.12-7,568.57

Finding the Fourth Proportional to 10,926.97, 15,086.12 and 7,568.57

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Solution

The fourth proportional to 10,926.97, 15,086.12 and 7,568.57 is: 10,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.97 : 15,086.12 = 7,568.57 : x
  2. Step 2: Convert to fraction form
    10,926.97/15,086.12 = 7,568.57/x
  3. Step 3: Cross multiply
    10,926.97x = 15,086.12 × 7,568.57
  4. Step 4: Simplify right side
    10,926.97x = 114,180,355.12
  5. Step 5: Solve for x
    x = 114,180,355.12/10,926.97
  6. Step 6: Final answer
    x = 10,449.41

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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.