Home / 7,306.90-10,086.82-4,657.86

Finding the Fourth Proportional to 7,306.90, 10,086.82 and 4,657.86

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Solution

The fourth proportional to 7,306.90, 10,086.82 and 4,657.86 is: 6,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,306.90 : 10,086.82 = 4,657.86 : x
  2. Step 2: Convert to fraction form
    7,306.90/10,086.82 = 4,657.86/x
  3. Step 3: Cross multiply
    7,306.90x = 10,086.82 × 4,657.86
  4. Step 4: Simplify right side
    7,306.90x = 46,982,995.41
  5. Step 5: Solve for x
    x = 46,982,995.41/7,306.90
  6. Step 6: Final answer
    x = 6,429.95

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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.