Home / 10,555.89-15,831.73-3,060.33

Finding the Fourth Proportional to 10,555.89, 15,831.73 and 3,060.33

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Solution

The fourth proportional to 10,555.89, 15,831.73 and 3,060.33 is: 4,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.89 : 15,831.73 = 3,060.33 : x
  2. Step 2: Convert to fraction form
    10,555.89/15,831.73 = 3,060.33/x
  3. Step 3: Cross multiply
    10,555.89x = 15,831.73 × 3,060.33
  4. Step 4: Simplify right side
    10,555.89x = 48,450,318.27
  5. Step 5: Solve for x
    x = 48,450,318.27/10,555.89
  6. Step 6: Final answer
    x = 4,589.88

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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.