Home / 10,369.40-15,549.42-2,972.17

Finding the Fourth Proportional to 10,369.40, 15,549.42 and 2,972.17

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Solution

The fourth proportional to 10,369.40, 15,549.42 and 2,972.17 is: 4,456.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.40 : 15,549.42 = 2,972.17 : x
  2. Step 2: Convert to fraction form
    10,369.40/15,549.42 = 2,972.17/x
  3. Step 3: Cross multiply
    10,369.40x = 15,549.42 × 2,972.17
  4. Step 4: Simplify right side
    10,369.40x = 46,215,519.64
  5. Step 5: Solve for x
    x = 46,215,519.64/10,369.40
  6. Step 6: Final answer
    x = 4,456.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.