Home / 8,317.71-11,474.76-5,627.97

Finding the Fourth Proportional to 8,317.71, 11,474.76 and 5,627.97

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Solution

The fourth proportional to 8,317.71, 11,474.76 and 5,627.97 is: 7,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.71 : 11,474.76 = 5,627.97 : x
  2. Step 2: Convert to fraction form
    8,317.71/11,474.76 = 5,627.97/x
  3. Step 3: Cross multiply
    8,317.71x = 11,474.76 × 5,627.97
  4. Step 4: Simplify right side
    8,317.71x = 64,579,633.72
  5. Step 5: Solve for x
    x = 64,579,633.72/8,317.71
  6. Step 6: Final answer
    x = 7,764.11

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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.