Home / 8,251.90-11,387.37-5,897.98

Finding the Fourth Proportional to 8,251.90, 11,387.37 and 5,897.98

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Solution

The fourth proportional to 8,251.90, 11,387.37 and 5,897.98 is: 8,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.90 : 11,387.37 = 5,897.98 : x
  2. Step 2: Convert to fraction form
    8,251.90/11,387.37 = 5,897.98/x
  3. Step 3: Cross multiply
    8,251.90x = 11,387.37 × 5,897.98
  4. Step 4: Simplify right side
    8,251.90x = 67,162,480.51
  5. Step 5: Solve for x
    x = 67,162,480.51/8,251.90
  6. Step 6: Final answer
    x = 8,139.03

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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.