Home / 8,116.25-11,200.76-4,579.46

Finding the Fourth Proportional to 8,116.25, 11,200.76 and 4,579.46

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Solution

The fourth proportional to 8,116.25, 11,200.76 and 4,579.46 is: 6,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.25 : 11,200.76 = 4,579.46 : x
  2. Step 2: Convert to fraction form
    8,116.25/11,200.76 = 4,579.46/x
  3. Step 3: Cross multiply
    8,116.25x = 11,200.76 × 4,579.46
  4. Step 4: Simplify right side
    8,116.25x = 51,293,432.39
  5. Step 5: Solve for x
    x = 51,293,432.39/8,116.25
  6. Step 6: Final answer
    x = 6,319.84

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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.