Home / 6,195.18-9,291.51-5,161.80

Finding the Fourth Proportional to 6,195.18, 9,291.51 and 5,161.80

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Solution

The fourth proportional to 6,195.18, 9,291.51 and 5,161.80 is: 7,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,195.18 : 9,291.51 = 5,161.80 : x
  2. Step 2: Convert to fraction form
    6,195.18/9,291.51 = 5,161.80/x
  3. Step 3: Cross multiply
    6,195.18x = 9,291.51 × 5,161.80
  4. Step 4: Simplify right side
    6,195.18x = 47,960,916.32
  5. Step 5: Solve for x
    x = 47,960,916.32/6,195.18
  6. Step 6: Final answer
    x = 7,741.65

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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.