Home / 8,031.36-11,073.28-5,194.08

Finding the Fourth Proportional to 8,031.36, 11,073.28 and 5,194.08

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Solution

The fourth proportional to 8,031.36, 11,073.28 and 5,194.08 is: 7,161.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.36 : 11,073.28 = 5,194.08 : x
  2. Step 2: Convert to fraction form
    8,031.36/11,073.28 = 5,194.08/x
  3. Step 3: Cross multiply
    8,031.36x = 11,073.28 × 5,194.08
  4. Step 4: Simplify right side
    8,031.36x = 57,515,502.18
  5. Step 5: Solve for x
    x = 57,515,502.18/8,031.36
  6. Step 6: Final answer
    x = 7,161.37

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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.