Home / 11,365.53-15,635.88-8,708.33

Finding the Fourth Proportional to 11,365.53, 15,635.88 and 8,708.33

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Solution

The fourth proportional to 11,365.53, 15,635.88 and 8,708.33 is: 11,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.53 : 15,635.88 = 8,708.33 : x
  2. Step 2: Convert to fraction form
    11,365.53/15,635.88 = 8,708.33/x
  3. Step 3: Cross multiply
    11,365.53x = 15,635.88 × 8,708.33
  4. Step 4: Simplify right side
    11,365.53x = 136,162,324.70
  5. Step 5: Solve for x
    x = 136,162,324.70/11,365.53
  6. Step 6: Final answer
    x = 11,980.29

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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.