Home / 9,652.39-13,320.55-5,403.43

Finding the Fourth Proportional to 9,652.39, 13,320.55 and 5,403.43

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Solution

The fourth proportional to 9,652.39, 13,320.55 and 5,403.43 is: 7,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,652.39 : 13,320.55 = 5,403.43 : x
  2. Step 2: Convert to fraction form
    9,652.39/13,320.55 = 5,403.43/x
  3. Step 3: Cross multiply
    9,652.39x = 13,320.55 × 5,403.43
  4. Step 4: Simplify right side
    9,652.39x = 71,976,659.49
  5. Step 5: Solve for x
    x = 71,976,659.49/9,652.39
  6. Step 6: Final answer
    x = 7,456.87

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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.