Home / 11,011.17-15,195.42-6,231.02

Finding the Fourth Proportional to 11,011.17, 15,195.42 and 6,231.02

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Solution

The fourth proportional to 11,011.17, 15,195.42 and 6,231.02 is: 8,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.17 : 15,195.42 = 6,231.02 : x
  2. Step 2: Convert to fraction form
    11,011.17/15,195.42 = 6,231.02/x
  3. Step 3: Cross multiply
    11,011.17x = 15,195.42 × 6,231.02
  4. Step 4: Simplify right side
    11,011.17x = 94,682,889.95
  5. Step 5: Solve for x
    x = 94,682,889.95/11,011.17
  6. Step 6: Final answer
    x = 8,598.80

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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.