Home / 8,248.80-12,378.96-3,059.04

Finding the Fourth Proportional to 8,248.80, 12,378.96 and 3,059.04

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Solution

The fourth proportional to 8,248.80, 12,378.96 and 3,059.04 is: 4,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.80 : 12,378.96 = 3,059.04 : x
  2. Step 2: Convert to fraction form
    8,248.80/12,378.96 = 3,059.04/x
  3. Step 3: Cross multiply
    8,248.80x = 12,378.96 × 3,059.04
  4. Step 4: Simplify right side
    8,248.80x = 37,867,733.80
  5. Step 5: Solve for x
    x = 37,867,733.80/8,248.80
  6. Step 6: Final answer
    x = 4,590.70

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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.