Home / 10,539.45-15,810.08-2,748.25

Finding the Fourth Proportional to 10,539.45, 15,810.08 and 2,748.25

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Solution

The fourth proportional to 10,539.45, 15,810.08 and 2,748.25 is: 4,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.45 : 15,810.08 = 2,748.25 : x
  2. Step 2: Convert to fraction form
    10,539.45/15,810.08 = 2,748.25/x
  3. Step 3: Cross multiply
    10,539.45x = 15,810.08 × 2,748.25
  4. Step 4: Simplify right side
    10,539.45x = 43,450,052.36
  5. Step 5: Solve for x
    x = 43,450,052.36/10,539.45
  6. Step 6: Final answer
    x = 4,122.61

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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.