Home / 8,326.89-12,489.41-2,482.13

Finding the Fourth Proportional to 8,326.89, 12,489.41 and 2,482.13

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Solution

The fourth proportional to 8,326.89, 12,489.41 and 2,482.13 is: 3,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.89 : 12,489.41 = 2,482.13 : x
  2. Step 2: Convert to fraction form
    8,326.89/12,489.41 = 2,482.13/x
  3. Step 3: Cross multiply
    8,326.89x = 12,489.41 × 2,482.13
  4. Step 4: Simplify right side
    8,326.89x = 31,000,264.39
  5. Step 5: Solve for x
    x = 31,000,264.39/8,326.89
  6. Step 6: Final answer
    x = 3,722.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.