Home / 10,112.48-15,166.56-3,185.44

Finding the Fourth Proportional to 10,112.48, 15,166.56 and 3,185.44

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Solution

The fourth proportional to 10,112.48, 15,166.56 and 3,185.44 is: 4,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.48 : 15,166.56 = 3,185.44 : x
  2. Step 2: Convert to fraction form
    10,112.48/15,166.56 = 3,185.44/x
  3. Step 3: Cross multiply
    10,112.48x = 15,166.56 × 3,185.44
  4. Step 4: Simplify right side
    10,112.48x = 48,312,166.89
  5. Step 5: Solve for x
    x = 48,312,166.89/10,112.48
  6. Step 6: Final answer
    x = 4,777.48

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1.5x scale

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.