Home / 10,537.88-15,805.76-2,746.68

Finding the Fourth Proportional to 10,537.88, 15,805.76 and 2,746.68

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Solution

The fourth proportional to 10,537.88, 15,805.76 and 2,746.68 is: 4,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,537.88 : 15,805.76 = 2,746.68 : x
  2. Step 2: Convert to fraction form
    10,537.88/15,805.76 = 2,746.68/x
  3. Step 3: Cross multiply
    10,537.88x = 15,805.76 × 2,746.68
  4. Step 4: Simplify right side
    10,537.88x = 43,413,364.88
  5. Step 5: Solve for x
    x = 43,413,364.88/10,537.88
  6. Step 6: Final answer
    x = 4,119.74

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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.