Home / 9,522.75-13,141.40-5,331.09

Finding the Fourth Proportional to 9,522.75, 13,141.40 and 5,331.09

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Solution

The fourth proportional to 9,522.75, 13,141.40 and 5,331.09 is: 7,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,522.75 : 13,141.40 = 5,331.09 : x
  2. Step 2: Convert to fraction form
    9,522.75/13,141.40 = 5,331.09/x
  3. Step 3: Cross multiply
    9,522.75x = 13,141.40 × 5,331.09
  4. Step 4: Simplify right side
    9,522.75x = 70,057,959.47
  5. Step 5: Solve for x
    x = 70,057,959.47/9,522.75
  6. Step 6: Final answer
    x = 7,356.90

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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.