Home / 9,955.73-13,736.70-5,761.55

Finding the Fourth Proportional to 9,955.73, 13,736.70 and 5,761.55

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Solution

The fourth proportional to 9,955.73, 13,736.70 and 5,761.55 is: 7,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.73 : 13,736.70 = 5,761.55 : x
  2. Step 2: Convert to fraction form
    9,955.73/13,736.70 = 5,761.55/x
  3. Step 3: Cross multiply
    9,955.73x = 13,736.70 × 5,761.55
  4. Step 4: Simplify right side
    9,955.73x = 79,144,624.75
  5. Step 5: Solve for x
    x = 79,144,624.75/9,955.73
  6. Step 6: Final answer
    x = 7,949.66

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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.