Home / 8,250.09-11,379.96-5,417.61

Finding the Fourth Proportional to 8,250.09, 11,379.96 and 5,417.61

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Solution

The fourth proportional to 8,250.09, 11,379.96 and 5,417.61 is: 7,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.09 : 11,379.96 = 5,417.61 : x
  2. Step 2: Convert to fraction form
    8,250.09/11,379.96 = 5,417.61/x
  3. Step 3: Cross multiply
    8,250.09x = 11,379.96 × 5,417.61
  4. Step 4: Simplify right side
    8,250.09x = 61,652,185.10
  5. Step 5: Solve for x
    x = 61,652,185.10/8,250.09
  6. Step 6: Final answer
    x = 7,472.91

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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.