Home / 10,418.76-14,377.34-5,702.13

Finding the Fourth Proportional to 10,418.76, 14,377.34 and 5,702.13

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Solution

The fourth proportional to 10,418.76, 14,377.34 and 5,702.13 is: 7,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.76 : 14,377.34 = 5,702.13 : x
  2. Step 2: Convert to fraction form
    10,418.76/14,377.34 = 5,702.13/x
  3. Step 3: Cross multiply
    10,418.76x = 14,377.34 × 5,702.13
  4. Step 4: Simplify right side
    10,418.76x = 81,981,433.22
  5. Step 5: Solve for x
    x = 81,981,433.22/10,418.76
  6. Step 6: Final answer
    x = 7,868.64

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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.