Home / 9,175.63-12,662.39-4,983.88

Finding the Fourth Proportional to 9,175.63, 12,662.39 and 4,983.88

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Solution

The fourth proportional to 9,175.63, 12,662.39 and 4,983.88 is: 6,877.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.63 : 12,662.39 = 4,983.88 : x
  2. Step 2: Convert to fraction form
    9,175.63/12,662.39 = 4,983.88/x
  3. Step 3: Cross multiply
    9,175.63x = 12,662.39 × 4,983.88
  4. Step 4: Simplify right side
    9,175.63x = 63,107,839.01
  5. Step 5: Solve for x
    x = 63,107,839.01/9,175.63
  6. Step 6: Final answer
    x = 6,877.76

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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.