Home / 11,370.98-15,691.91-6,335.15

Finding the Fourth Proportional to 11,370.98, 15,691.91 and 6,335.15

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Solution

The fourth proportional to 11,370.98, 15,691.91 and 6,335.15 is: 8,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.98 : 15,691.91 = 6,335.15 : x
  2. Step 2: Convert to fraction form
    11,370.98/15,691.91 = 6,335.15/x
  3. Step 3: Cross multiply
    11,370.98x = 15,691.91 × 6,335.15
  4. Step 4: Simplify right side
    11,370.98x = 99,410,493.50
  5. Step 5: Solve for x
    x = 99,410,493.50/11,370.98
  6. Step 6: Final answer
    x = 8,742.48

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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.