Home / 11,289.04-16,950.13-11,089.71

Finding the Fourth Proportional to 11,289.04, 16,950.13 and 11,089.71

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Solution

The fourth proportional to 11,289.04, 16,950.13 and 11,089.71 is: 16,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.04 : 16,950.13 = 11,089.71 : x
  2. Step 2: Convert to fraction form
    11,289.04/16,950.13 = 11,089.71/x
  3. Step 3: Cross multiply
    11,289.04x = 16,950.13 × 11,089.71
  4. Step 4: Simplify right side
    11,289.04x = 187,972,011.51
  5. Step 5: Solve for x
    x = 187,972,011.51/11,289.04
  6. Step 6: Final answer
    x = 16,650.85

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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.