Home / 11,467.92-15,825.72-6,432.18

Finding the Fourth Proportional to 11,467.92, 15,825.72 and 6,432.18

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Solution

The fourth proportional to 11,467.92, 15,825.72 and 6,432.18 is: 8,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,467.92 : 15,825.72 = 6,432.18 : x
  2. Step 2: Convert to fraction form
    11,467.92/15,825.72 = 6,432.18/x
  3. Step 3: Cross multiply
    11,467.92x = 15,825.72 × 6,432.18
  4. Step 4: Simplify right side
    11,467.92x = 101,793,879.67
  5. Step 5: Solve for x
    x = 101,793,879.67/11,467.92
  6. Step 6: Final answer
    x = 8,876.40

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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.