Home / 11,140.75-16,711.13-2,932.75

Finding the Fourth Proportional to 11,140.75, 16,711.13 and 2,932.75

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Solution

The fourth proportional to 11,140.75, 16,711.13 and 2,932.75 is: 4,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.75 : 16,711.13 = 2,932.75 : x
  2. Step 2: Convert to fraction form
    11,140.75/16,711.13 = 2,932.75/x
  3. Step 3: Cross multiply
    11,140.75x = 16,711.13 × 2,932.75
  4. Step 4: Simplify right side
    11,140.75x = 49,009,566.51
  5. Step 5: Solve for x
    x = 49,009,566.51/11,140.75
  6. Step 6: Final answer
    x = 4,399.13

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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.