Home / 8,106.46-11,179.47-5,117.11

Finding the Fourth Proportional to 8,106.46, 11,179.47 and 5,117.11

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Solution

The fourth proportional to 8,106.46, 11,179.47 and 5,117.11 is: 7,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.46 : 11,179.47 = 5,117.11 : x
  2. Step 2: Convert to fraction form
    8,106.46/11,179.47 = 5,117.11/x
  3. Step 3: Cross multiply
    8,106.46x = 11,179.47 × 5,117.11
  4. Step 4: Simplify right side
    8,106.46x = 57,206,577.73
  5. Step 5: Solve for x
    x = 57,206,577.73/8,106.46
  6. Step 6: Final answer
    x = 7,056.91

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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.