Home / 11,173.04-15,418.79-6,137.40

Finding the Fourth Proportional to 11,173.04, 15,418.79 and 6,137.40

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Solution

The fourth proportional to 11,173.04, 15,418.79 and 6,137.40 is: 8,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.04 : 15,418.79 = 6,137.40 : x
  2. Step 2: Convert to fraction form
    11,173.04/15,418.79 = 6,137.40/x
  3. Step 3: Cross multiply
    11,173.04x = 15,418.79 × 6,137.40
  4. Step 4: Simplify right side
    11,173.04x = 94,631,281.75
  5. Step 5: Solve for x
    x = 94,631,281.75/11,173.04
  6. Step 6: Final answer
    x = 8,469.61

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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.