Home / 10,195.88-14,071.38-5,720.84

Finding the Fourth Proportional to 10,195.88, 14,071.38 and 5,720.84

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Solution

The fourth proportional to 10,195.88, 14,071.38 and 5,720.84 is: 7,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.88 : 14,071.38 = 5,720.84 : x
  2. Step 2: Convert to fraction form
    10,195.88/14,071.38 = 5,720.84/x
  3. Step 3: Cross multiply
    10,195.88x = 14,071.38 × 5,720.84
  4. Step 4: Simplify right side
    10,195.88x = 80,500,113.56
  5. Step 5: Solve for x
    x = 80,500,113.56/10,195.88
  6. Step 6: Final answer
    x = 7,895.36

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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.