Home / 8,216.84-11,329.37-5,701.12

Finding the Fourth Proportional to 8,216.84, 11,329.37 and 5,701.12

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Solution

The fourth proportional to 8,216.84, 11,329.37 and 5,701.12 is: 7,860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.84 : 11,329.37 = 5,701.12 : x
  2. Step 2: Convert to fraction form
    8,216.84/11,329.37 = 5,701.12/x
  3. Step 3: Cross multiply
    8,216.84x = 11,329.37 × 5,701.12
  4. Step 4: Simplify right side
    8,216.84x = 64,590,062.44
  5. Step 5: Solve for x
    x = 64,590,062.44/8,216.84
  6. Step 6: Final answer
    x = 7,860.69

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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.