Home / 8,385.04-12,572.56-2,836.80

Finding the Fourth Proportional to 8,385.04, 12,572.56 and 2,836.80

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Solution

The fourth proportional to 8,385.04, 12,572.56 and 2,836.80 is: 4,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.04 : 12,572.56 = 2,836.80 : x
  2. Step 2: Convert to fraction form
    8,385.04/12,572.56 = 2,836.80/x
  3. Step 3: Cross multiply
    8,385.04x = 12,572.56 × 2,836.80
  4. Step 4: Simplify right side
    8,385.04x = 35,665,838.21
  5. Step 5: Solve for x
    x = 35,665,838.21/8,385.04
  6. Step 6: Final answer
    x = 4,253.51

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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.