Home / 10,655.06-15,974.71-3,633.21

Finding the Fourth Proportional to 10,655.06, 15,974.71 and 3,633.21

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Solution

The fourth proportional to 10,655.06, 15,974.71 and 3,633.21 is: 5,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.06 : 15,974.71 = 3,633.21 : x
  2. Step 2: Convert to fraction form
    10,655.06/15,974.71 = 3,633.21/x
  3. Step 3: Cross multiply
    10,655.06x = 15,974.71 × 3,633.21
  4. Step 4: Simplify right side
    10,655.06x = 58,039,457.95
  5. Step 5: Solve for x
    x = 58,039,457.95/10,655.06
  6. Step 6: Final answer
    x = 5,447.13

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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.