Home / 11,288.46-16,929.96-4,711.08

Finding the Fourth Proportional to 11,288.46, 16,929.96 and 4,711.08

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Solution

The fourth proportional to 11,288.46, 16,929.96 and 4,711.08 is: 7,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.46 : 16,929.96 = 4,711.08 : x
  2. Step 2: Convert to fraction form
    11,288.46/16,929.96 = 4,711.08/x
  3. Step 3: Cross multiply
    11,288.46x = 16,929.96 × 4,711.08
  4. Step 4: Simplify right side
    11,288.46x = 79,758,395.96
  5. Step 5: Solve for x
    x = 79,758,395.96/11,288.46
  6. Step 6: Final answer
    x = 7,065.48

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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.