Home / 10,414.18-14,371.65-6,434.38

Finding the Fourth Proportional to 10,414.18, 14,371.65 and 6,434.38

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Solution

The fourth proportional to 10,414.18, 14,371.65 and 6,434.38 is: 8,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.18 : 14,371.65 = 6,434.38 : x
  2. Step 2: Convert to fraction form
    10,414.18/14,371.65 = 6,434.38/x
  3. Step 3: Cross multiply
    10,414.18x = 14,371.65 × 6,434.38
  4. Step 4: Simplify right side
    10,414.18x = 92,472,657.33
  5. Step 5: Solve for x
    x = 92,472,657.33/10,414.18
  6. Step 6: Final answer
    x = 8,879.49

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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.