Home / 7,422.87-11,134.65-4,133.49

Finding the Fourth Proportional to 7,422.87, 11,134.65 and 4,133.49

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Solution

The fourth proportional to 7,422.87, 11,134.65 and 4,133.49 is: 6,200.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.87 : 11,134.65 = 4,133.49 : x
  2. Step 2: Convert to fraction form
    7,422.87/11,134.65 = 4,133.49/x
  3. Step 3: Cross multiply
    7,422.87x = 11,134.65 × 4,133.49
  4. Step 4: Simplify right side
    7,422.87x = 46,024,938.17
  5. Step 5: Solve for x
    x = 46,024,938.17/7,422.87
  6. Step 6: Final answer
    x = 6,200.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.