Home / 10,226.78-15,351.56-5,295.10

Finding the Fourth Proportional to 10,226.78, 15,351.56 and 5,295.10

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Solution

The fourth proportional to 10,226.78, 15,351.56 and 5,295.10 is: 7,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.78 : 15,351.56 = 5,295.10 : x
  2. Step 2: Convert to fraction form
    10,226.78/15,351.56 = 5,295.10/x
  3. Step 3: Cross multiply
    10,226.78x = 15,351.56 × 5,295.10
  4. Step 4: Simplify right side
    10,226.78x = 81,287,968.60
  5. Step 5: Solve for x
    x = 81,287,968.60/10,226.78
  6. Step 6: Final answer
    x = 7,948.54

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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.