Home / 8,619.84-11,895.12-4,843.02

Finding the Fourth Proportional to 8,619.84, 11,895.12 and 4,843.02

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Solution

The fourth proportional to 8,619.84, 11,895.12 and 4,843.02 is: 6,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.84 : 11,895.12 = 4,843.02 : x
  2. Step 2: Convert to fraction form
    8,619.84/11,895.12 = 4,843.02/x
  3. Step 3: Cross multiply
    8,619.84x = 11,895.12 × 4,843.02
  4. Step 4: Simplify right side
    8,619.84x = 57,608,304.06
  5. Step 5: Solve for x
    x = 57,608,304.06/8,619.84
  6. Step 6: Final answer
    x = 6,683.22

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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.