Home / 8,837.39-12,190.69-5,601.28

Finding the Fourth Proportional to 8,837.39, 12,190.69 and 5,601.28

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Solution

The fourth proportional to 8,837.39, 12,190.69 and 5,601.28 is: 7,726.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.39 : 12,190.69 = 5,601.28 : x
  2. Step 2: Convert to fraction form
    8,837.39/12,190.69 = 5,601.28/x
  3. Step 3: Cross multiply
    8,837.39x = 12,190.69 × 5,601.28
  4. Step 4: Simplify right side
    8,837.39x = 68,283,468.08
  5. Step 5: Solve for x
    x = 68,283,468.08/8,837.39
  6. Step 6: Final answer
    x = 7,726.66

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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.