Home / 7,167.05-9,889.98-4,022.63

Finding the Fourth Proportional to 7,167.05, 9,889.98 and 4,022.63

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Solution

The fourth proportional to 7,167.05, 9,889.98 and 4,022.63 is: 5,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.05 : 9,889.98 = 4,022.63 : x
  2. Step 2: Convert to fraction form
    7,167.05/9,889.98 = 4,022.63/x
  3. Step 3: Cross multiply
    7,167.05x = 9,889.98 × 4,022.63
  4. Step 4: Simplify right side
    7,167.05x = 39,783,680.80
  5. Step 5: Solve for x
    x = 39,783,680.80/7,167.05
  6. Step 6: Final answer
    x = 5,550.92

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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.