Home / 11,363.15-15,680.99-6,327.38

Finding the Fourth Proportional to 11,363.15, 15,680.99 and 6,327.38

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Solution

The fourth proportional to 11,363.15, 15,680.99 and 6,327.38 is: 8,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.15 : 15,680.99 = 6,327.38 : x
  2. Step 2: Convert to fraction form
    11,363.15/15,680.99 = 6,327.38/x
  3. Step 3: Cross multiply
    11,363.15x = 15,680.99 × 6,327.38
  4. Step 4: Simplify right side
    11,363.15x = 99,219,637.53
  5. Step 5: Solve for x
    x = 99,219,637.53/11,363.15
  6. Step 6: Final answer
    x = 8,731.70

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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.