Home / 11,366.05-15,685.13-6,330.71

Finding the Fourth Proportional to 11,366.05, 15,685.13 and 6,330.71

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Solution

The fourth proportional to 11,366.05, 15,685.13 and 6,330.71 is: 8,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.05 : 15,685.13 = 6,330.71 : x
  2. Step 2: Convert to fraction form
    11,366.05/15,685.13 = 6,330.71/x
  3. Step 3: Cross multiply
    11,366.05x = 15,685.13 × 6,330.71
  4. Step 4: Simplify right side
    11,366.05x = 99,297,899.26
  5. Step 5: Solve for x
    x = 99,297,899.26/11,366.05
  6. Step 6: Final answer
    x = 8,736.36

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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.