Home / 10,923.09-15,073.42-6,142.90

Finding the Fourth Proportional to 10,923.09, 15,073.42 and 6,142.90

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Solution

The fourth proportional to 10,923.09, 15,073.42 and 6,142.90 is: 8,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.09 : 15,073.42 = 6,142.90 : x
  2. Step 2: Convert to fraction form
    10,923.09/15,073.42 = 6,142.90/x
  3. Step 3: Cross multiply
    10,923.09x = 15,073.42 × 6,142.90
  4. Step 4: Simplify right side
    10,923.09x = 92,594,458.68
  5. Step 5: Solve for x
    x = 92,594,458.68/10,923.09
  6. Step 6: Final answer
    x = 8,476.95

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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.