Home / 10,531.32-15,796.97-2,740.13

Finding the Fourth Proportional to 10,531.32, 15,796.97 and 2,740.13

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Solution

The fourth proportional to 10,531.32, 15,796.97 and 2,740.13 is: 4,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.32 : 15,796.97 = 2,740.13 : x
  2. Step 2: Convert to fraction form
    10,531.32/15,796.97 = 2,740.13/x
  3. Step 3: Cross multiply
    10,531.32x = 15,796.97 × 2,740.13
  4. Step 4: Simplify right side
    10,531.32x = 43,285,751.41
  5. Step 5: Solve for x
    x = 43,285,751.41/10,531.32
  6. Step 6: Final answer
    x = 4,110.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.