Home / 6,874.81-9,486.66-4,042.28

Finding the Fourth Proportional to 6,874.81, 9,486.66 and 4,042.28

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Solution

The fourth proportional to 6,874.81, 9,486.66 and 4,042.28 is: 5,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.81 : 9,486.66 = 4,042.28 : x
  2. Step 2: Convert to fraction form
    6,874.81/9,486.66 = 4,042.28/x
  3. Step 3: Cross multiply
    6,874.81x = 9,486.66 × 4,042.28
  4. Step 4: Simplify right side
    6,874.81x = 38,347,735.98
  5. Step 5: Solve for x
    x = 38,347,735.98/6,874.81
  6. Step 6: Final answer
    x = 5,578.01

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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.