Home / 9,959.45-13,745.39-5,767.70

Finding the Fourth Proportional to 9,959.45, 13,745.39 and 5,767.70

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Solution

The fourth proportional to 9,959.45, 13,745.39 and 5,767.70 is: 7,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.45 : 13,745.39 = 5,767.70 : x
  2. Step 2: Convert to fraction form
    9,959.45/13,745.39 = 5,767.70/x
  3. Step 3: Cross multiply
    9,959.45x = 13,745.39 × 5,767.70
  4. Step 4: Simplify right side
    9,959.45x = 79,279,188.34
  5. Step 5: Solve for x
    x = 79,279,188.34/9,959.45
  6. Step 6: Final answer
    x = 7,960.20

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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.