Home / 8,414.89-11,612.59-4,637.98

Finding the Fourth Proportional to 8,414.89, 11,612.59 and 4,637.98

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Solution

The fourth proportional to 8,414.89, 11,612.59 and 4,637.98 is: 6,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.89 : 11,612.59 = 4,637.98 : x
  2. Step 2: Convert to fraction form
    8,414.89/11,612.59 = 4,637.98/x
  3. Step 3: Cross multiply
    8,414.89x = 11,612.59 × 4,637.98
  4. Step 4: Simplify right side
    8,414.89x = 53,858,882.29
  5. Step 5: Solve for x
    x = 53,858,882.29/8,414.89
  6. Step 6: Final answer
    x = 6,400.43

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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.