Home / 11,031.92-15,218.34-6,832.88

Finding the Fourth Proportional to 11,031.92, 15,218.34 and 6,832.88

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Solution

The fourth proportional to 11,031.92, 15,218.34 and 6,832.88 is: 9,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.92 : 15,218.34 = 6,832.88 : x
  2. Step 2: Convert to fraction form
    11,031.92/15,218.34 = 6,832.88/x
  3. Step 3: Cross multiply
    11,031.92x = 15,218.34 × 6,832.88
  4. Step 4: Simplify right side
    11,031.92x = 103,985,091.02
  5. Step 5: Solve for x
    x = 103,985,091.02/11,031.92
  6. Step 6: Final answer
    x = 9,425.84

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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.