Home / 6,087.12-9,118.81-4,000.76

Finding the Fourth Proportional to 6,087.12, 9,118.81 and 4,000.76

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Solution

The fourth proportional to 6,087.12, 9,118.81 and 4,000.76 is: 5,993.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,087.12 : 9,118.81 = 4,000.76 : x
  2. Step 2: Convert to fraction form
    6,087.12/9,118.81 = 4,000.76/x
  3. Step 3: Cross multiply
    6,087.12x = 9,118.81 × 4,000.76
  4. Step 4: Simplify right side
    6,087.12x = 36,482,163.90
  5. Step 5: Solve for x
    x = 36,482,163.90/6,087.12
  6. Step 6: Final answer
    x = 5,993.34

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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.