Home / 12,509.45-18,764.15-5,932.04

Finding the Fourth Proportional to 12,509.45, 18,764.15 and 5,932.04

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Solution

The fourth proportional to 12,509.45, 18,764.15 and 5,932.04 is: 8,898.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509.45 : 18,764.15 = 5,932.04 : x
  2. Step 2: Convert to fraction form
    12,509.45/18,764.15 = 5,932.04/x
  3. Step 3: Cross multiply
    12,509.45x = 18,764.15 × 5,932.04
  4. Step 4: Simplify right side
    12,509.45x = 111,309,750.11
  5. Step 5: Solve for x
    x = 111,309,750.11/12,509.45
  6. Step 6: Final answer
    x = 8,898.06

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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.