Home / 9,751.20-13,456.64-5,274.94

Finding the Fourth Proportional to 9,751.20, 13,456.64 and 5,274.94

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Solution

The fourth proportional to 9,751.20, 13,456.64 and 5,274.94 is: 7,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,751.20 : 13,456.64 = 5,274.94 : x
  2. Step 2: Convert to fraction form
    9,751.20/13,456.64 = 5,274.94/x
  3. Step 3: Cross multiply
    9,751.20x = 13,456.64 × 5,274.94
  4. Step 4: Simplify right side
    9,751.20x = 70,982,920.70
  5. Step 5: Solve for x
    x = 70,982,920.70/9,751.20
  6. Step 6: Final answer
    x = 7,279.41

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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.