Home / 9,072.62-12,521.57-5,537.88

Finding the Fourth Proportional to 9,072.62, 12,521.57 and 5,537.88

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Solution

The fourth proportional to 9,072.62, 12,521.57 and 5,537.88 is: 7,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.62 : 12,521.57 = 5,537.88 : x
  2. Step 2: Convert to fraction form
    9,072.62/12,521.57 = 5,537.88/x
  3. Step 3: Cross multiply
    9,072.62x = 12,521.57 × 5,537.88
  4. Step 4: Simplify right side
    9,072.62x = 69,342,924.38
  5. Step 5: Solve for x
    x = 69,342,924.38/9,072.62
  6. Step 6: Final answer
    x = 7,643.10

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Half scale
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Double scale
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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.