Home / 12,149.28-16,767.27-7,436.70

Finding the Fourth Proportional to 12,149.28, 16,767.27 and 7,436.70

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Solution

The fourth proportional to 12,149.28, 16,767.27 and 7,436.70 is: 10,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149.28 : 16,767.27 = 7,436.70 : x
  2. Step 2: Convert to fraction form
    12,149.28/16,767.27 = 7,436.70/x
  3. Step 3: Cross multiply
    12,149.28x = 16,767.27 × 7,436.70
  4. Step 4: Simplify right side
    12,149.28x = 124,693,156.81
  5. Step 5: Solve for x
    x = 124,693,156.81/12,149.28
  6. Step 6: Final answer
    x = 10,263.42

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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.