Home / 12,084.08-16,668.36-8,731.82

Finding the Fourth Proportional to 12,084.08, 16,668.36 and 8,731.82

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Solution

The fourth proportional to 12,084.08, 16,668.36 and 8,731.82 is: 12,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.08 : 16,668.36 = 8,731.82 : x
  2. Step 2: Convert to fraction form
    12,084.08/16,668.36 = 8,731.82/x
  3. Step 3: Cross multiply
    12,084.08x = 16,668.36 × 8,731.82
  4. Step 4: Simplify right side
    12,084.08x = 145,545,119.22
  5. Step 5: Solve for x
    x = 145,545,119.22/12,084.08
  6. Step 6: Final answer
    x = 12,044.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.