Home / 8,225.44-11,347.92-5,240.74

Finding the Fourth Proportional to 8,225.44, 11,347.92 and 5,240.74

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Solution

The fourth proportional to 8,225.44, 11,347.92 and 5,240.74 is: 7,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.44 : 11,347.92 = 5,240.74 : x
  2. Step 2: Convert to fraction form
    8,225.44/11,347.92 = 5,240.74/x
  3. Step 3: Cross multiply
    8,225.44x = 11,347.92 × 5,240.74
  4. Step 4: Simplify right side
    8,225.44x = 59,471,498.26
  5. Step 5: Solve for x
    x = 59,471,498.26/8,225.44
  6. Step 6: Final answer
    x = 7,230.19

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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.