Home / 6,871.35-9,481.56-4,480.23

Finding the Fourth Proportional to 6,871.35, 9,481.56 and 4,480.23

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Solution

The fourth proportional to 6,871.35, 9,481.56 and 4,480.23 is: 6,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.35 : 9,481.56 = 4,480.23 : x
  2. Step 2: Convert to fraction form
    6,871.35/9,481.56 = 4,480.23/x
  3. Step 3: Cross multiply
    6,871.35x = 9,481.56 × 4,480.23
  4. Step 4: Simplify right side
    6,871.35x = 42,479,569.56
  5. Step 5: Solve for x
    x = 42,479,569.56/6,871.35
  6. Step 6: Final answer
    x = 6,182.13

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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.