Home / 8,867.07-13,302.89-3,320.49

Finding the Fourth Proportional to 8,867.07, 13,302.89 and 3,320.49

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Solution

The fourth proportional to 8,867.07, 13,302.89 and 3,320.49 is: 4,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.07 : 13,302.89 = 3,320.49 : x
  2. Step 2: Convert to fraction form
    8,867.07/13,302.89 = 3,320.49/x
  3. Step 3: Cross multiply
    8,867.07x = 13,302.89 × 3,320.49
  4. Step 4: Simplify right side
    8,867.07x = 44,172,096.61
  5. Step 5: Solve for x
    x = 44,172,096.61/8,867.07
  6. Step 6: Final answer
    x = 4,981.59

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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.