Home / 7,945.52-11,919.38-2,398.23

Finding the Fourth Proportional to 7,945.52, 11,919.38 and 2,398.23

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Solution

The fourth proportional to 7,945.52, 11,919.38 and 2,398.23 is: 3,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.52 : 11,919.38 = 2,398.23 : x
  2. Step 2: Convert to fraction form
    7,945.52/11,919.38 = 2,398.23/x
  3. Step 3: Cross multiply
    7,945.52x = 11,919.38 × 2,398.23
  4. Step 4: Simplify right side
    7,945.52x = 28,585,402.71
  5. Step 5: Solve for x
    x = 28,585,402.71/7,945.52
  6. Step 6: Final answer
    x = 3,597.68

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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.