Home / 10,324.89-14,255.20-7,930.58

Finding the Fourth Proportional to 10,324.89, 14,255.20 and 7,930.58

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Solution

The fourth proportional to 10,324.89, 14,255.20 and 7,930.58 is: 10,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.89 : 14,255.20 = 7,930.58 : x
  2. Step 2: Convert to fraction form
    10,324.89/14,255.20 = 7,930.58/x
  3. Step 3: Cross multiply
    10,324.89x = 14,255.20 × 7,930.58
  4. Step 4: Simplify right side
    10,324.89x = 113,052,060.74
  5. Step 5: Solve for x
    x = 113,052,060.74/10,324.89
  6. Step 6: Final answer
    x = 10,949.47

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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.