Home / 7,255.77-10,013.67-4,069.61

Finding the Fourth Proportional to 7,255.77, 10,013.67 and 4,069.61

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Solution

The fourth proportional to 7,255.77, 10,013.67 and 4,069.61 is: 5,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.77 : 10,013.67 = 4,069.61 : x
  2. Step 2: Convert to fraction form
    7,255.77/10,013.67 = 4,069.61/x
  3. Step 3: Cross multiply
    7,255.77x = 10,013.67 × 4,069.61
  4. Step 4: Simplify right side
    7,255.77x = 40,751,731.57
  5. Step 5: Solve for x
    x = 40,751,731.57/7,255.77
  6. Step 6: Final answer
    x = 5,616.46

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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.