Home / 12,229.32-16,876.52-7,193.75

Finding the Fourth Proportional to 12,229.32, 16,876.52 and 7,193.75

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Solution

The fourth proportional to 12,229.32, 16,876.52 and 7,193.75 is: 9,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.32 : 16,876.52 = 7,193.75 : x
  2. Step 2: Convert to fraction form
    12,229.32/16,876.52 = 7,193.75/x
  3. Step 3: Cross multiply
    12,229.32x = 16,876.52 × 7,193.75
  4. Step 4: Simplify right side
    12,229.32x = 121,405,345.40
  5. Step 5: Solve for x
    x = 121,405,345.40/12,229.32
  6. Step 6: Final answer
    x = 9,927.40

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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.