Home / 9,057.78-12,497.37-5,228.48

Finding the Fourth Proportional to 9,057.78, 12,497.37 and 5,228.48

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Solution

The fourth proportional to 9,057.78, 12,497.37 and 5,228.48 is: 7,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.78 : 12,497.37 = 5,228.48 : x
  2. Step 2: Convert to fraction form
    9,057.78/12,497.37 = 5,228.48/x
  3. Step 3: Cross multiply
    9,057.78x = 12,497.37 × 5,228.48
  4. Step 4: Simplify right side
    9,057.78x = 65,342,215.36
  5. Step 5: Solve for x
    x = 65,342,215.36/9,057.78
  6. Step 6: Final answer
    x = 7,213.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.