Home / 8,107.33-11,187.90-4,522.40

Finding the Fourth Proportional to 8,107.33, 11,187.90 and 4,522.40

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Solution

The fourth proportional to 8,107.33, 11,187.90 and 4,522.40 is: 6,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.33 : 11,187.90 = 4,522.40 : x
  2. Step 2: Convert to fraction form
    8,107.33/11,187.90 = 4,522.40/x
  3. Step 3: Cross multiply
    8,107.33x = 11,187.90 × 4,522.40
  4. Step 4: Simplify right side
    8,107.33x = 50,596,158.96
  5. Step 5: Solve for x
    x = 50,596,158.96/8,107.33
  6. Step 6: Final answer
    x = 6,240.79

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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.