Home / 7,651.23-11,476.90-2,105.16

Finding the Fourth Proportional to 7,651.23, 11,476.90 and 2,105.16

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Solution

The fourth proportional to 7,651.23, 11,476.90 and 2,105.16 is: 3,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.23 : 11,476.90 = 2,105.16 : x
  2. Step 2: Convert to fraction form
    7,651.23/11,476.90 = 2,105.16/x
  3. Step 3: Cross multiply
    7,651.23x = 11,476.90 × 2,105.16
  4. Step 4: Simplify right side
    7,651.23x = 24,160,756.47
  5. Step 5: Solve for x
    x = 24,160,756.47/7,651.23
  6. Step 6: Final answer
    x = 3,157.76

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.