Home / 7,388.31-11,066.18-6,107.31

Finding the Fourth Proportional to 7,388.31, 11,066.18 and 6,107.31

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Solution

The fourth proportional to 7,388.31, 11,066.18 and 6,107.31 is: 9,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.31 : 11,066.18 = 6,107.31 : x
  2. Step 2: Convert to fraction form
    7,388.31/11,066.18 = 6,107.31/x
  3. Step 3: Cross multiply
    7,388.31x = 11,066.18 × 6,107.31
  4. Step 4: Simplify right side
    7,388.31x = 67,584,591.78
  5. Step 5: Solve for x
    x = 67,584,591.78/7,388.31
  6. Step 6: Final answer
    x = 9,147.50

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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.