Home / 9,522.80-13,141.32-5,331.20

Finding the Fourth Proportional to 9,522.80, 13,141.32 and 5,331.20

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Solution

The fourth proportional to 9,522.80, 13,141.32 and 5,331.20 is: 7,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,522.80 : 13,141.32 = 5,331.20 : x
  2. Step 2: Convert to fraction form
    9,522.80/13,141.32 = 5,331.20/x
  3. Step 3: Cross multiply
    9,522.80x = 13,141.32 × 5,331.20
  4. Step 4: Simplify right side
    9,522.80x = 70,059,005.18
  5. Step 5: Solve for x
    x = 70,059,005.18/9,522.80
  6. Step 6: Final answer
    x = 7,356.98

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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.