Home / 9,240.26-12,751.86-5,048.78

Finding the Fourth Proportional to 9,240.26, 12,751.86 and 5,048.78

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Solution

The fourth proportional to 9,240.26, 12,751.86 and 5,048.78 is: 6,967.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.26 : 12,751.86 = 5,048.78 : x
  2. Step 2: Convert to fraction form
    9,240.26/12,751.86 = 5,048.78/x
  3. Step 3: Cross multiply
    9,240.26x = 12,751.86 × 5,048.78
  4. Step 4: Simplify right side
    9,240.26x = 64,381,335.73
  5. Step 5: Solve for x
    x = 64,381,335.73/9,240.26
  6. Step 6: Final answer
    x = 6,967.48

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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.