Home / 9,512.46-13,131.81-6,331.06

Finding the Fourth Proportional to 9,512.46, 13,131.81 and 6,331.06

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Solution

The fourth proportional to 9,512.46, 13,131.81 and 6,331.06 is: 8,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.46 : 13,131.81 = 6,331.06 : x
  2. Step 2: Convert to fraction form
    9,512.46/13,131.81 = 6,331.06/x
  3. Step 3: Cross multiply
    9,512.46x = 13,131.81 × 6,331.06
  4. Step 4: Simplify right side
    9,512.46x = 83,138,179.70
  5. Step 5: Solve for x
    x = 83,138,179.70/9,512.46
  6. Step 6: Final answer
    x = 8,739.93

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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.