Home / 10,347.26-15,508.73-4,788.86

Finding the Fourth Proportional to 10,347.26, 15,508.73 and 4,788.86

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Solution

The fourth proportional to 10,347.26, 15,508.73 and 4,788.86 is: 7,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.26 : 15,508.73 = 4,788.86 : x
  2. Step 2: Convert to fraction form
    10,347.26/15,508.73 = 4,788.86/x
  3. Step 3: Cross multiply
    10,347.26x = 15,508.73 × 4,788.86
  4. Step 4: Simplify right side
    10,347.26x = 74,269,112.80
  5. Step 5: Solve for x
    x = 74,269,112.80/10,347.26
  6. Step 6: Final answer
    x = 7,177.66

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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.