Home / 8,306.39-11,456.34-5,322.51

Finding the Fourth Proportional to 8,306.39, 11,456.34 and 5,322.51

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Solution

The fourth proportional to 8,306.39, 11,456.34 and 5,322.51 is: 7,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.39 : 11,456.34 = 5,322.51 : x
  2. Step 2: Convert to fraction form
    8,306.39/11,456.34 = 5,322.51/x
  3. Step 3: Cross multiply
    8,306.39x = 11,456.34 × 5,322.51
  4. Step 4: Simplify right side
    8,306.39x = 60,976,484.21
  5. Step 5: Solve for x
    x = 60,976,484.21/8,306.39
  6. Step 6: Final answer
    x = 7,340.91

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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.