Home / 8,254.91-11,389.01-5,272.49

Finding the Fourth Proportional to 8,254.91, 11,389.01 and 5,272.49

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Solution

The fourth proportional to 8,254.91, 11,389.01 and 5,272.49 is: 7,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.91 : 11,389.01 = 5,272.49 : x
  2. Step 2: Convert to fraction form
    8,254.91/11,389.01 = 5,272.49/x
  3. Step 3: Cross multiply
    8,254.91x = 11,389.01 × 5,272.49
  4. Step 4: Simplify right side
    8,254.91x = 60,048,443.44
  5. Step 5: Solve for x
    x = 60,048,443.44/8,254.91
  6. Step 6: Final answer
    x = 7,274.27

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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.