Home / 9,949.80-13,731.12-5,473.92

Finding the Fourth Proportional to 9,949.80, 13,731.12 and 5,473.92

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Solution

The fourth proportional to 9,949.80, 13,731.12 and 5,473.92 is: 7,554.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.80 : 13,731.12 = 5,473.92 : x
  2. Step 2: Convert to fraction form
    9,949.80/13,731.12 = 5,473.92/x
  3. Step 3: Cross multiply
    9,949.80x = 13,731.12 × 5,473.92
  4. Step 4: Simplify right side
    9,949.80x = 75,163,052.39
  5. Step 5: Solve for x
    x = 75,163,052.39/9,949.80
  6. Step 6: Final answer
    x = 7,554.23

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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.