Home / 7,255.17-10,012.66-4,189.95

Finding the Fourth Proportional to 7,255.17, 10,012.66 and 4,189.95

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Solution

The fourth proportional to 7,255.17, 10,012.66 and 4,189.95 is: 5,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.17 : 10,012.66 = 4,189.95 : x
  2. Step 2: Convert to fraction form
    7,255.17/10,012.66 = 4,189.95/x
  3. Step 3: Cross multiply
    7,255.17x = 10,012.66 × 4,189.95
  4. Step 4: Simplify right side
    7,255.17x = 41,952,534.29
  5. Step 5: Solve for x
    x = 41,952,534.29/7,255.17
  6. Step 6: Final answer
    x = 5,782.43

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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.