Home / 10,147.98-15,222.96-2,752.50

Finding the Fourth Proportional to 10,147.98, 15,222.96 and 2,752.50

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Solution

The fourth proportional to 10,147.98, 15,222.96 and 2,752.50 is: 4,129.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.98 : 15,222.96 = 2,752.50 : x
  2. Step 2: Convert to fraction form
    10,147.98/15,222.96 = 2,752.50/x
  3. Step 3: Cross multiply
    10,147.98x = 15,222.96 × 2,752.50
  4. Step 4: Simplify right side
    10,147.98x = 41,901,197.40
  5. Step 5: Solve for x
    x = 41,901,197.40/10,147.98
  6. Step 6: Final answer
    x = 4,129.02

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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.