Home / 6,823.57-9,416.71-3,839.51

Finding the Fourth Proportional to 6,823.57, 9,416.71 and 3,839.51

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Solution

The fourth proportional to 6,823.57, 9,416.71 and 3,839.51 is: 5,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.57 : 9,416.71 = 3,839.51 : x
  2. Step 2: Convert to fraction form
    6,823.57/9,416.71 = 3,839.51/x
  3. Step 3: Cross multiply
    6,823.57x = 9,416.71 × 3,839.51
  4. Step 4: Simplify right side
    6,823.57x = 36,155,534.44
  5. Step 5: Solve for x
    x = 36,155,534.44/6,823.57
  6. Step 6: Final answer
    x = 5,298.63

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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.