Home / 7,086.11-9,775.01-4,395.65

Finding the Fourth Proportional to 7,086.11, 9,775.01 and 4,395.65

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Solution

The fourth proportional to 7,086.11, 9,775.01 and 4,395.65 is: 6,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086.11 : 9,775.01 = 4,395.65 : x
  2. Step 2: Convert to fraction form
    7,086.11/9,775.01 = 4,395.65/x
  3. Step 3: Cross multiply
    7,086.11x = 9,775.01 × 4,395.65
  4. Step 4: Simplify right side
    7,086.11x = 42,967,451.85
  5. Step 5: Solve for x
    x = 42,967,451.85/7,086.11
  6. Step 6: Final answer
    x = 6,063.62

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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.