Home / 11,011.22-15,191.78-6,292.16

Finding the Fourth Proportional to 11,011.22, 15,191.78 and 6,292.16

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Solution

The fourth proportional to 11,011.22, 15,191.78 and 6,292.16 is: 8,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.22 : 15,191.78 = 6,292.16 : x
  2. Step 2: Convert to fraction form
    11,011.22/15,191.78 = 6,292.16/x
  3. Step 3: Cross multiply
    11,011.22x = 15,191.78 × 6,292.16
  4. Step 4: Simplify right side
    11,011.22x = 95,589,110.44
  5. Step 5: Solve for x
    x = 95,589,110.44/11,011.22
  6. Step 6: Final answer
    x = 8,681.06

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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.