Home / 6,218.51-9,339.72-5,331.06

Finding the Fourth Proportional to 6,218.51, 9,339.72 and 5,331.06

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Solution

The fourth proportional to 6,218.51, 9,339.72 and 5,331.06 is: 8,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.51 : 9,339.72 = 5,331.06 : x
  2. Step 2: Convert to fraction form
    6,218.51/9,339.72 = 5,331.06/x
  3. Step 3: Cross multiply
    6,218.51x = 9,339.72 × 5,331.06
  4. Step 4: Simplify right side
    6,218.51x = 49,790,607.70
  5. Step 5: Solve for x
    x = 49,790,607.70/6,218.51
  6. Step 6: Final answer
    x = 8,006.85

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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.