Home / 9,154.44-12,633.04-5,175.48

Finding the Fourth Proportional to 9,154.44, 12,633.04 and 5,175.48

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Solution

The fourth proportional to 9,154.44, 12,633.04 and 5,175.48 is: 7,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.44 : 12,633.04 = 5,175.48 : x
  2. Step 2: Convert to fraction form
    9,154.44/12,633.04 = 5,175.48/x
  3. Step 3: Cross multiply
    9,154.44x = 12,633.04 × 5,175.48
  4. Step 4: Simplify right side
    9,154.44x = 65,382,045.86
  5. Step 5: Solve for x
    x = 65,382,045.86/9,154.44
  6. Step 6: Final answer
    x = 7,142.11

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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.