Home / 10,363.15-15,511.65-8,176.15

Finding the Fourth Proportional to 10,363.15, 15,511.65 and 8,176.15

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Solution

The fourth proportional to 10,363.15, 15,511.65 and 8,176.15 is: 12,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.15 : 15,511.65 = 8,176.15 : x
  2. Step 2: Convert to fraction form
    10,363.15/15,511.65 = 8,176.15/x
  3. Step 3: Cross multiply
    10,363.15x = 15,511.65 × 8,176.15
  4. Step 4: Simplify right side
    10,363.15x = 126,825,577.15
  5. Step 5: Solve for x
    x = 126,825,577.15/10,363.15
  6. Step 6: Final answer
    x = 12,238.13

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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.