Home / 11,291.45-16,923.51-9,962.85

Finding the Fourth Proportional to 11,291.45, 16,923.51 and 9,962.85

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Solution

The fourth proportional to 11,291.45, 16,923.51 and 9,962.85 is: 14,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.45 : 16,923.51 = 9,962.85 : x
  2. Step 2: Convert to fraction form
    11,291.45/16,923.51 = 9,962.85/x
  3. Step 3: Cross multiply
    11,291.45x = 16,923.51 × 9,962.85
  4. Step 4: Simplify right side
    11,291.45x = 168,606,391.60
  5. Step 5: Solve for x
    x = 168,606,391.60/11,291.45
  6. Step 6: Final answer
    x = 14,932.21

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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.