Home / 11,400.06-15,731.98-6,363.96

Finding the Fourth Proportional to 11,400.06, 15,731.98 and 6,363.96

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Solution

The fourth proportional to 11,400.06, 15,731.98 and 6,363.96 is: 8,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.06 : 15,731.98 = 6,363.96 : x
  2. Step 2: Convert to fraction form
    11,400.06/15,731.98 = 6,363.96/x
  3. Step 3: Cross multiply
    11,400.06x = 15,731.98 × 6,363.96
  4. Step 4: Simplify right side
    11,400.06x = 100,117,691.44
  5. Step 5: Solve for x
    x = 100,117,691.44/11,400.06
  6. Step 6: Final answer
    x = 8,782.21

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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.