Home / 7,180.11-10,773.81-5,106.11

Finding the Fourth Proportional to 7,180.11, 10,773.81 and 5,106.11

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Solution

The fourth proportional to 7,180.11, 10,773.81 and 5,106.11 is: 7,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.11 : 10,773.81 = 5,106.11 : x
  2. Step 2: Convert to fraction form
    7,180.11/10,773.81 = 5,106.11/x
  3. Step 3: Cross multiply
    7,180.11x = 10,773.81 × 5,106.11
  4. Step 4: Simplify right side
    7,180.11x = 55,012,205.11
  5. Step 5: Solve for x
    x = 55,012,205.11/7,180.11
  6. Step 6: Final answer
    x = 7,661.75

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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.