Home / 12,197.12-18,295.70-3,432.04

Finding the Fourth Proportional to 12,197.12, 18,295.70 and 3,432.04

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Solution

The fourth proportional to 12,197.12, 18,295.70 and 3,432.04 is: 5,148.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.12 : 18,295.70 = 3,432.04 : x
  2. Step 2: Convert to fraction form
    12,197.12/18,295.70 = 3,432.04/x
  3. Step 3: Cross multiply
    12,197.12x = 18,295.70 × 3,432.04
  4. Step 4: Simplify right side
    12,197.12x = 62,791,574.23
  5. Step 5: Solve for x
    x = 62,791,574.23/12,197.12
  6. Step 6: Final answer
    x = 5,148.07

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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.