Home / 8,376.56-11,554.76-5,227.28

Finding the Fourth Proportional to 8,376.56, 11,554.76 and 5,227.28

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Solution

The fourth proportional to 8,376.56, 11,554.76 and 5,227.28 is: 7,210.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.56 : 11,554.76 = 5,227.28 : x
  2. Step 2: Convert to fraction form
    8,376.56/11,554.76 = 5,227.28/x
  3. Step 3: Cross multiply
    8,376.56x = 11,554.76 × 5,227.28
  4. Step 4: Simplify right side
    8,376.56x = 60,399,965.85
  5. Step 5: Solve for x
    x = 60,399,965.85/8,376.56
  6. Step 6: Final answer
    x = 7,210.59

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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.