Home / 10,605.74-15,909.16-2,708.33

Finding the Fourth Proportional to 10,605.74, 15,909.16 and 2,708.33

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Solution

The fourth proportional to 10,605.74, 15,909.16 and 2,708.33 is: 4,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.74 : 15,909.16 = 2,708.33 : x
  2. Step 2: Convert to fraction form
    10,605.74/15,909.16 = 2,708.33/x
  3. Step 3: Cross multiply
    10,605.74x = 15,909.16 × 2,708.33
  4. Step 4: Simplify right side
    10,605.74x = 43,087,255.30
  5. Step 5: Solve for x
    x = 43,087,255.30/10,605.74
  6. Step 6: Final answer
    x = 4,062.64

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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.