Home / 8,175.35-11,281.86-4,818.31

Finding the Fourth Proportional to 8,175.35, 11,281.86 and 4,818.31

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Solution

The fourth proportional to 8,175.35, 11,281.86 and 4,818.31 is: 6,649.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.35 : 11,281.86 = 4,818.31 : x
  2. Step 2: Convert to fraction form
    8,175.35/11,281.86 = 4,818.31/x
  3. Step 3: Cross multiply
    8,175.35x = 11,281.86 × 4,818.31
  4. Step 4: Simplify right side
    8,175.35x = 54,359,470.65
  5. Step 5: Solve for x
    x = 54,359,470.65/8,175.35
  6. Step 6: Final answer
    x = 6,649.19

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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.