Home / 10,539.59-15,810.26-2,748.38

Finding the Fourth Proportional to 10,539.59, 15,810.26 and 2,748.38

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Solution

The fourth proportional to 10,539.59, 15,810.26 and 2,748.38 is: 4,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.59 : 15,810.26 = 2,748.38 : x
  2. Step 2: Convert to fraction form
    10,539.59/15,810.26 = 2,748.38/x
  3. Step 3: Cross multiply
    10,539.59x = 15,810.26 × 2,748.38
  4. Step 4: Simplify right side
    10,539.59x = 43,452,509.59
  5. Step 5: Solve for x
    x = 43,452,509.59/10,539.59
  6. Step 6: Final answer
    x = 4,122.79

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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.