Home / 11,132.53-15,392.43-9,731.26

Finding the Fourth Proportional to 11,132.53, 15,392.43 and 9,731.26

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Solution

The fourth proportional to 11,132.53, 15,392.43 and 9,731.26 is: 13,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.53 : 15,392.43 = 9,731.26 : x
  2. Step 2: Convert to fraction form
    11,132.53/15,392.43 = 9,731.26/x
  3. Step 3: Cross multiply
    11,132.53x = 15,392.43 × 9,731.26
  4. Step 4: Simplify right side
    11,132.53x = 149,787,738.36
  5. Step 5: Solve for x
    x = 149,787,738.36/11,132.53
  6. Step 6: Final answer
    x = 13,454.96

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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.