Home / 8,002.16-12,003.20-4,104.40

Finding the Fourth Proportional to 8,002.16, 12,003.20 and 4,104.40

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Solution

The fourth proportional to 8,002.16, 12,003.20 and 4,104.40 is: 6,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.16 : 12,003.20 = 4,104.40 : x
  2. Step 2: Convert to fraction form
    8,002.16/12,003.20 = 4,104.40/x
  3. Step 3: Cross multiply
    8,002.16x = 12,003.20 × 4,104.40
  4. Step 4: Simplify right side
    8,002.16x = 49,265,934.08
  5. Step 5: Solve for x
    x = 49,265,934.08/8,002.16
  6. Step 6: Final answer
    x = 6,156.58

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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.