Home / 9,469.73-14,131.62-8,317.91

Finding the Fourth Proportional to 9,469.73, 14,131.62 and 8,317.91

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Solution

The fourth proportional to 9,469.73, 14,131.62 and 8,317.91 is: 12,412.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,469.73 : 14,131.62 = 8,317.91 : x
  2. Step 2: Convert to fraction form
    9,469.73/14,131.62 = 8,317.91/x
  3. Step 3: Cross multiply
    9,469.73x = 14,131.62 × 8,317.91
  4. Step 4: Simplify right side
    9,469.73x = 117,545,578.64
  5. Step 5: Solve for x
    x = 117,545,578.64/9,469.73
  6. Step 6: Final answer
    x = 12,412.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.