Home / 12,229.15-16,880.24-7,193.11

Finding the Fourth Proportional to 12,229.15, 16,880.24 and 7,193.11

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Solution

The fourth proportional to 12,229.15, 16,880.24 and 7,193.11 is: 9,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.15 : 16,880.24 = 7,193.11 : x
  2. Step 2: Convert to fraction form
    12,229.15/16,880.24 = 7,193.11/x
  3. Step 3: Cross multiply
    12,229.15x = 16,880.24 × 7,193.11
  4. Step 4: Simplify right side
    12,229.15x = 121,421,423.15
  5. Step 5: Solve for x
    x = 121,421,423.15/12,229.15
  6. Step 6: Final answer
    x = 9,928.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.