Home / 7,180.11-10,758.51-6,910.38

Finding the Fourth Proportional to 7,180.11, 10,758.51 and 6,910.38

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Solution

The fourth proportional to 7,180.11, 10,758.51 and 6,910.38 is: 10,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.11 : 10,758.51 = 6,910.38 : x
  2. Step 2: Convert to fraction form
    7,180.11/10,758.51 = 6,910.38/x
  3. Step 3: Cross multiply
    7,180.11x = 10,758.51 × 6,910.38
  4. Step 4: Simplify right side
    7,180.11x = 74,345,392.33
  5. Step 5: Solve for x
    x = 74,345,392.33/7,180.11
  6. Step 6: Final answer
    x = 10,354.35

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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.