Home / 43,061.12-64,591.56-11,896.16

Finding the Fourth Proportional to 43,061.12, 64,591.56 and 11,896.16

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Solution

The fourth proportional to 43,061.12, 64,591.56 and 11,896.16 is: 17,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,061.12 : 64,591.56 = 11,896.16 : x
  2. Step 2: Convert to fraction form
    43,061.12/64,591.56 = 11,896.16/x
  3. Step 3: Cross multiply
    43,061.12x = 64,591.56 × 11,896.16
  4. Step 4: Simplify right side
    43,061.12x = 768,391,532.41
  5. Step 5: Solve for x
    x = 768,391,532.41/43,061.12
  6. Step 6: Final answer
    x = 17,844.21

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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.