Home / 8,112.51-11,195.51-4,966.92

Finding the Fourth Proportional to 8,112.51, 11,195.51 and 4,966.92

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Solution

The fourth proportional to 8,112.51, 11,195.51 and 4,966.92 is: 6,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.51 : 11,195.51 = 4,966.92 : x
  2. Step 2: Convert to fraction form
    8,112.51/11,195.51 = 4,966.92/x
  3. Step 3: Cross multiply
    8,112.51x = 11,195.51 × 4,966.92
  4. Step 4: Simplify right side
    8,112.51x = 55,607,177.69
  5. Step 5: Solve for x
    x = 55,607,177.69/8,112.51
  6. Step 6: Final answer
    x = 6,854.50

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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.