Home / 7,048.78-9,713.91-5,160.94

Finding the Fourth Proportional to 7,048.78, 9,713.91 and 5,160.94

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Solution

The fourth proportional to 7,048.78, 9,713.91 and 5,160.94 is: 7,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.78 : 9,713.91 = 5,160.94 : x
  2. Step 2: Convert to fraction form
    7,048.78/9,713.91 = 5,160.94/x
  3. Step 3: Cross multiply
    7,048.78x = 9,713.91 × 5,160.94
  4. Step 4: Simplify right side
    7,048.78x = 50,132,906.68
  5. Step 5: Solve for x
    x = 50,132,906.68/7,048.78
  6. Step 6: Final answer
    x = 7,112.28

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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.