Home / 9,195.20-12,689-5,003.46

Finding the Fourth Proportional to 9,195.20, 12,689 and 5,003.46

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Solution

The fourth proportional to 9,195.20, 12,689 and 5,003.46 is: 6,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.20 : 12,689 = 5,003.46 : x
  2. Step 2: Convert to fraction form
    9,195.20/12,689 = 5,003.46/x
  3. Step 3: Cross multiply
    9,195.20x = 12,689 × 5,003.46
  4. Step 4: Simplify right side
    9,195.20x = 63,488,903.94
  5. Step 5: Solve for x
    x = 63,488,903.94/9,195.20
  6. Step 6: Final answer
    x = 6,904.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.