Home / 12,110.03-18,136.34-7,714.16

Finding the Fourth Proportional to 12,110.03, 18,136.34 and 7,714.16

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Solution

The fourth proportional to 12,110.03, 18,136.34 and 7,714.16 is: 11,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.03 : 18,136.34 = 7,714.16 : x
  2. Step 2: Convert to fraction form
    12,110.03/18,136.34 = 7,714.16/x
  3. Step 3: Cross multiply
    12,110.03x = 18,136.34 × 7,714.16
  4. Step 4: Simplify right side
    12,110.03x = 139,906,628.57
  5. Step 5: Solve for x
    x = 139,906,628.57/12,110.03
  6. Step 6: Final answer
    x = 11,552.95

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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.