Home / 9,011.97-13,518.09-5,911.65

Finding the Fourth Proportional to 9,011.97, 13,518.09 and 5,911.65

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Solution

The fourth proportional to 9,011.97, 13,518.09 and 5,911.65 is: 8,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.97 : 13,518.09 = 5,911.65 : x
  2. Step 2: Convert to fraction form
    9,011.97/13,518.09 = 5,911.65/x
  3. Step 3: Cross multiply
    9,011.97x = 13,518.09 × 5,911.65
  4. Step 4: Simplify right side
    9,011.97x = 79,914,216.75
  5. Step 5: Solve for x
    x = 79,914,216.75/9,011.97
  6. Step 6: Final answer
    x = 8,867.56

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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.