Home / 9,175.43-12,662.10-4,983.68

Finding the Fourth Proportional to 9,175.43, 12,662.10 and 4,983.68

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Solution

The fourth proportional to 9,175.43, 12,662.10 and 4,983.68 is: 6,877.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.43 : 12,662.10 = 4,983.68 : x
  2. Step 2: Convert to fraction form
    9,175.43/12,662.10 = 4,983.68/x
  3. Step 3: Cross multiply
    9,175.43x = 12,662.10 × 4,983.68
  4. Step 4: Simplify right side
    9,175.43x = 63,103,886.18
  5. Step 5: Solve for x
    x = 63,103,886.18/9,175.43
  6. Step 6: Final answer
    x = 6,877.48

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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.