Home / 7,184.12-10,766.35-5,427.68

Finding the Fourth Proportional to 7,184.12, 10,766.35 and 5,427.68

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Solution

The fourth proportional to 7,184.12, 10,766.35 and 5,427.68 is: 8,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.12 : 10,766.35 = 5,427.68 : x
  2. Step 2: Convert to fraction form
    7,184.12/10,766.35 = 5,427.68/x
  3. Step 3: Cross multiply
    7,184.12x = 10,766.35 × 5,427.68
  4. Step 4: Simplify right side
    7,184.12x = 58,436,302.57
  5. Step 5: Solve for x
    x = 58,436,302.57/7,184.12
  6. Step 6: Final answer
    x = 8,134.09

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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.