Home / 8,872.34-13,312.58-3,326.13

Finding the Fourth Proportional to 8,872.34, 13,312.58 and 3,326.13

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Solution

The fourth proportional to 8,872.34, 13,312.58 and 3,326.13 is: 4,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.34 : 13,312.58 = 3,326.13 : x
  2. Step 2: Convert to fraction form
    8,872.34/13,312.58 = 3,326.13/x
  3. Step 3: Cross multiply
    8,872.34x = 13,312.58 × 3,326.13
  4. Step 4: Simplify right side
    8,872.34x = 44,279,355.08
  5. Step 5: Solve for x
    x = 44,279,355.08/8,872.34
  6. Step 6: Final answer
    x = 4,990.72

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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.