Home / 10,228.72-15,330.50-5,295.54

Finding the Fourth Proportional to 10,228.72, 15,330.50 and 5,295.54

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Solution

The fourth proportional to 10,228.72, 15,330.50 and 5,295.54 is: 7,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.72 : 15,330.50 = 5,295.54 : x
  2. Step 2: Convert to fraction form
    10,228.72/15,330.50 = 5,295.54/x
  3. Step 3: Cross multiply
    10,228.72x = 15,330.50 × 5,295.54
  4. Step 4: Simplify right side
    10,228.72x = 81,183,275.97
  5. Step 5: Solve for x
    x = 81,183,275.97/10,228.72
  6. Step 6: Final answer
    x = 7,936.80

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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.