Home / 11,480.44-17,220.62-4,085.18

Finding the Fourth Proportional to 11,480.44, 17,220.62 and 4,085.18

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Solution

The fourth proportional to 11,480.44, 17,220.62 and 4,085.18 is: 6,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.44 : 17,220.62 = 4,085.18 : x
  2. Step 2: Convert to fraction form
    11,480.44/17,220.62 = 4,085.18/x
  3. Step 3: Cross multiply
    11,480.44x = 17,220.62 × 4,085.18
  4. Step 4: Simplify right side
    11,480.44x = 70,349,332.41
  5. Step 5: Solve for x
    x = 70,349,332.41/11,480.44
  6. Step 6: Final answer
    x = 6,127.76

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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.