Home / 11,173.56-15,418.76-6,137.99

Finding the Fourth Proportional to 11,173.56, 15,418.76 and 6,137.99

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Solution

The fourth proportional to 11,173.56, 15,418.76 and 6,137.99 is: 8,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.56 : 15,418.76 = 6,137.99 : x
  2. Step 2: Convert to fraction form
    11,173.56/15,418.76 = 6,137.99/x
  3. Step 3: Cross multiply
    11,173.56x = 15,418.76 × 6,137.99
  4. Step 4: Simplify right side
    11,173.56x = 94,640,231.46
  5. Step 5: Solve for x
    x = 94,640,231.46/11,173.56
  6. Step 6: Final answer
    x = 8,470.01

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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.