Home / 13,122.16-19,672.52-6,106.56

Finding the Fourth Proportional to 13,122.16, 19,672.52 and 6,106.56

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Solution

The fourth proportional to 13,122.16, 19,672.52 and 6,106.56 is: 9,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.16 : 19,672.52 = 6,106.56 : x
  2. Step 2: Convert to fraction form
    13,122.16/19,672.52 = 6,106.56/x
  3. Step 3: Cross multiply
    13,122.16x = 19,672.52 × 6,106.56
  4. Step 4: Simplify right side
    13,122.16x = 120,131,423.73
  5. Step 5: Solve for x
    x = 120,131,423.73/13,122.16
  6. Step 6: Final answer
    x = 9,154.85

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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.