Home / 11,862.40-17,794.20-5,289.04

Finding the Fourth Proportional to 11,862.40, 17,794.20 and 5,289.04

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Solution

The fourth proportional to 11,862.40, 17,794.20 and 5,289.04 is: 7,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.40 : 17,794.20 = 5,289.04 : x
  2. Step 2: Convert to fraction form
    11,862.40/17,794.20 = 5,289.04/x
  3. Step 3: Cross multiply
    11,862.40x = 17,794.20 × 5,289.04
  4. Step 4: Simplify right side
    11,862.40x = 94,114,235.57
  5. Step 5: Solve for x
    x = 94,114,235.57/11,862.40
  6. Step 6: Final answer
    x = 7,933.83

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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.