Home / 12,044.48-18,066.74-7,910.60

Finding the Fourth Proportional to 12,044.48, 18,066.74 and 7,910.60

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Solution

The fourth proportional to 12,044.48, 18,066.74 and 7,910.60 is: 11,865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.48 : 18,066.74 = 7,910.60 : x
  2. Step 2: Convert to fraction form
    12,044.48/18,066.74 = 7,910.60/x
  3. Step 3: Cross multiply
    12,044.48x = 18,066.74 × 7,910.60
  4. Step 4: Simplify right side
    12,044.48x = 142,918,753.44
  5. Step 5: Solve for x
    x = 142,918,753.44/12,044.48
  6. Step 6: Final answer
    x = 11,865.91

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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.