Home / 8,964.90-13,448.34-2,391.12

Finding the Fourth Proportional to 8,964.90, 13,448.34 and 2,391.12

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Solution

The fourth proportional to 8,964.90, 13,448.34 and 2,391.12 is: 3,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.90 : 13,448.34 = 2,391.12 : x
  2. Step 2: Convert to fraction form
    8,964.90/13,448.34 = 2,391.12/x
  3. Step 3: Cross multiply
    8,964.90x = 13,448.34 × 2,391.12
  4. Step 4: Simplify right side
    8,964.90x = 32,156,594.74
  5. Step 5: Solve for x
    x = 32,156,594.74/8,964.90
  6. Step 6: Final answer
    x = 3,586.94

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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.