Home / 7,576.11-10,453.78-4,218.84

Finding the Fourth Proportional to 7,576.11, 10,453.78 and 4,218.84

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Solution

The fourth proportional to 7,576.11, 10,453.78 and 4,218.84 is: 5,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.11 : 10,453.78 = 4,218.84 : x
  2. Step 2: Convert to fraction form
    7,576.11/10,453.78 = 4,218.84/x
  3. Step 3: Cross multiply
    7,576.11x = 10,453.78 × 4,218.84
  4. Step 4: Simplify right side
    7,576.11x = 44,102,825.22
  5. Step 5: Solve for x
    x = 44,102,825.22/7,576.11
  6. Step 6: Final answer
    x = 5,821.30

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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.