Home / 9,175.80-12,661.98-4,983.96

Finding the Fourth Proportional to 9,175.80, 12,661.98 and 4,983.96

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Solution

The fourth proportional to 9,175.80, 12,661.98 and 4,983.96 is: 6,877.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.80 : 12,661.98 = 4,983.96 : x
  2. Step 2: Convert to fraction form
    9,175.80/12,661.98 = 4,983.96/x
  3. Step 3: Cross multiply
    9,175.80x = 12,661.98 × 4,983.96
  4. Step 4: Simplify right side
    9,175.80x = 63,106,801.84
  5. Step 5: Solve for x
    x = 63,106,801.84/9,175.80
  6. Step 6: Final answer
    x = 6,877.53

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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.