Home / 10,418.20-14,377.14-5,702.46

Finding the Fourth Proportional to 10,418.20, 14,377.14 and 5,702.46

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Solution

The fourth proportional to 10,418.20, 14,377.14 and 5,702.46 is: 7,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.20 : 14,377.14 = 5,702.46 : x
  2. Step 2: Convert to fraction form
    10,418.20/14,377.14 = 5,702.46/x
  3. Step 3: Cross multiply
    10,418.20x = 14,377.14 × 5,702.46
  4. Step 4: Simplify right side
    10,418.20x = 81,985,065.76
  5. Step 5: Solve for x
    x = 81,985,065.76/10,418.20
  6. Step 6: Final answer
    x = 7,869.41

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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.