Home / 8,071.26-11,136.38-4,712.16

Finding the Fourth Proportional to 8,071.26, 11,136.38 and 4,712.16

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Solution

The fourth proportional to 8,071.26, 11,136.38 and 4,712.16 is: 6,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.26 : 11,136.38 = 4,712.16 : x
  2. Step 2: Convert to fraction form
    8,071.26/11,136.38 = 4,712.16/x
  3. Step 3: Cross multiply
    8,071.26x = 11,136.38 × 4,712.16
  4. Step 4: Simplify right side
    8,071.26x = 52,476,380.82
  5. Step 5: Solve for x
    x = 52,476,380.82/8,071.26
  6. Step 6: Final answer
    x = 6,501.63

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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.