Home / 35,687.28-53,531.78-11,995.17

Finding the Fourth Proportional to 35,687.28, 53,531.78 and 11,995.17

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Solution

The fourth proportional to 35,687.28, 53,531.78 and 11,995.17 is: 17,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.28 : 53,531.78 = 11,995.17 : x
  2. Step 2: Convert to fraction form
    35,687.28/53,531.78 = 11,995.17/x
  3. Step 3: Cross multiply
    35,687.28x = 53,531.78 × 11,995.17
  4. Step 4: Simplify right side
    35,687.28x = 642,122,801.50
  5. Step 5: Solve for x
    x = 642,122,801.50/35,687.28
  6. Step 6: Final answer
    x = 17,993.04

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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.