Home / 10,972.57-15,142.16-5,936.77

Finding the Fourth Proportional to 10,972.57, 15,142.16 and 5,936.77

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Solution

The fourth proportional to 10,972.57, 15,142.16 and 5,936.77 is: 8,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.57 : 15,142.16 = 5,936.77 : x
  2. Step 2: Convert to fraction form
    10,972.57/15,142.16 = 5,936.77/x
  3. Step 3: Cross multiply
    10,972.57x = 15,142.16 × 5,936.77
  4. Step 4: Simplify right side
    10,972.57x = 89,895,521.22
  5. Step 5: Solve for x
    x = 89,895,521.22/10,972.57
  6. Step 6: Final answer
    x = 8,192.75

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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.