Home / 8,291.68-11,443.61-4,754.20

Finding the Fourth Proportional to 8,291.68, 11,443.61 and 4,754.20

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Solution

The fourth proportional to 8,291.68, 11,443.61 and 4,754.20 is: 6,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.68 : 11,443.61 = 4,754.20 : x
  2. Step 2: Convert to fraction form
    8,291.68/11,443.61 = 4,754.20/x
  3. Step 3: Cross multiply
    8,291.68x = 11,443.61 × 4,754.20
  4. Step 4: Simplify right side
    8,291.68x = 54,405,210.66
  5. Step 5: Solve for x
    x = 54,405,210.66/8,291.68
  6. Step 6: Final answer
    x = 6,561.42

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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.