Home / 9,512.46-13,131.77-6,331.05

Finding the Fourth Proportional to 9,512.46, 13,131.77 and 6,331.05

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Solution

The fourth proportional to 9,512.46, 13,131.77 and 6,331.05 is: 8,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.46 : 13,131.77 = 6,331.05 : x
  2. Step 2: Convert to fraction form
    9,512.46/13,131.77 = 6,331.05/x
  3. Step 3: Cross multiply
    9,512.46x = 13,131.77 × 6,331.05
  4. Step 4: Simplify right side
    9,512.46x = 83,137,892.46
  5. Step 5: Solve for x
    x = 83,137,892.46/9,512.46
  6. Step 6: Final answer
    x = 8,739.89

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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.