Home / 8,179.16-12,266.53-3,496.84

Finding the Fourth Proportional to 8,179.16, 12,266.53 and 3,496.84

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Solution

The fourth proportional to 8,179.16, 12,266.53 and 3,496.84 is: 5,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.16 : 12,266.53 = 3,496.84 : x
  2. Step 2: Convert to fraction form
    8,179.16/12,266.53 = 3,496.84/x
  3. Step 3: Cross multiply
    8,179.16x = 12,266.53 × 3,496.84
  4. Step 4: Simplify right side
    8,179.16x = 42,894,053.36
  5. Step 5: Solve for x
    x = 42,894,053.36/8,179.16
  6. Step 6: Final answer
    x = 5,244.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.