Home / 8,837.74-12,189.63-5,606.47

Finding the Fourth Proportional to 8,837.74, 12,189.63 and 5,606.47

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Solution

The fourth proportional to 8,837.74, 12,189.63 and 5,606.47 is: 7,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.74 : 12,189.63 = 5,606.47 : x
  2. Step 2: Convert to fraction form
    8,837.74/12,189.63 = 5,606.47/x
  3. Step 3: Cross multiply
    8,837.74x = 12,189.63 × 5,606.47
  4. Step 4: Simplify right side
    8,837.74x = 68,340,794.91
  5. Step 5: Solve for x
    x = 68,340,794.91/8,837.74
  6. Step 6: Final answer
    x = 7,732.84

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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.