Home / 8,057.28-12,085.80-2,214.32

Finding the Fourth Proportional to 8,057.28, 12,085.80 and 2,214.32

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Solution

The fourth proportional to 8,057.28, 12,085.80 and 2,214.32 is: 3,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.28 : 12,085.80 = 2,214.32 : x
  2. Step 2: Convert to fraction form
    8,057.28/12,085.80 = 2,214.32/x
  3. Step 3: Cross multiply
    8,057.28x = 12,085.80 × 2,214.32
  4. Step 4: Simplify right side
    8,057.28x = 26,761,828.66
  5. Step 5: Solve for x
    x = 26,761,828.66/8,057.28
  6. Step 6: Final answer
    x = 3,321.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.