Home / 8,886.30-13,329.10-2,312.53

Finding the Fourth Proportional to 8,886.30, 13,329.10 and 2,312.53

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Solution

The fourth proportional to 8,886.30, 13,329.10 and 2,312.53 is: 3,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.30 : 13,329.10 = 2,312.53 : x
  2. Step 2: Convert to fraction form
    8,886.30/13,329.10 = 2,312.53/x
  3. Step 3: Cross multiply
    8,886.30x = 13,329.10 × 2,312.53
  4. Step 4: Simplify right side
    8,886.30x = 30,823,943.62
  5. Step 5: Solve for x
    x = 30,823,943.62/8,886.30
  6. Step 6: Final answer
    x = 3,468.70

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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.