Home / 11,536.08-17,331.78-7,384.20

Finding the Fourth Proportional to 11,536.08, 17,331.78 and 7,384.20

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Solution

The fourth proportional to 11,536.08, 17,331.78 and 7,384.20 is: 11,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,536.08 : 17,331.78 = 7,384.20 : x
  2. Step 2: Convert to fraction form
    11,536.08/17,331.78 = 7,384.20/x
  3. Step 3: Cross multiply
    11,536.08x = 17,331.78 × 7,384.20
  4. Step 4: Simplify right side
    11,536.08x = 127,981,329.88
  5. Step 5: Solve for x
    x = 127,981,329.88/11,536.08
  6. Step 6: Final answer
    x = 11,094.01

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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.