Home / 10,443.56-15,665.76-2,652.57

Finding the Fourth Proportional to 10,443.56, 15,665.76 and 2,652.57

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Solution

The fourth proportional to 10,443.56, 15,665.76 and 2,652.57 is: 3,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.56 : 15,665.76 = 2,652.57 : x
  2. Step 2: Convert to fraction form
    10,443.56/15,665.76 = 2,652.57/x
  3. Step 3: Cross multiply
    10,443.56x = 15,665.76 × 2,652.57
  4. Step 4: Simplify right side
    10,443.56x = 41,554,525.00
  5. Step 5: Solve for x
    x = 41,554,525.00/10,443.56
  6. Step 6: Final answer
    x = 3,978.96

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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.