Home / 8,210.28-11,327.34-4,672.59

Finding the Fourth Proportional to 8,210.28, 11,327.34 and 4,672.59

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Solution

The fourth proportional to 8,210.28, 11,327.34 and 4,672.59 is: 6,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.28 : 11,327.34 = 4,672.59 : x
  2. Step 2: Convert to fraction form
    8,210.28/11,327.34 = 4,672.59/x
  3. Step 3: Cross multiply
    8,210.28x = 11,327.34 × 4,672.59
  4. Step 4: Simplify right side
    8,210.28x = 52,928,015.61
  5. Step 5: Solve for x
    x = 52,928,015.61/8,210.28
  6. Step 6: Final answer
    x = 6,446.55

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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.