Home / 7,255.99-10,013.39-4,112.11

Finding the Fourth Proportional to 7,255.99, 10,013.39 and 4,112.11

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Solution

The fourth proportional to 7,255.99, 10,013.39 and 4,112.11 is: 5,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.99 : 10,013.39 = 4,112.11 : x
  2. Step 2: Convert to fraction form
    7,255.99/10,013.39 = 4,112.11/x
  3. Step 3: Cross multiply
    7,255.99x = 10,013.39 × 4,112.11
  4. Step 4: Simplify right side
    7,255.99x = 41,176,140.59
  5. Step 5: Solve for x
    x = 41,176,140.59/7,255.99
  6. Step 6: Final answer
    x = 5,674.78

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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.