Home / 8,837.05-13,255.58-3,909.01

Finding the Fourth Proportional to 8,837.05, 13,255.58 and 3,909.01

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Solution

The fourth proportional to 8,837.05, 13,255.58 and 3,909.01 is: 5,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.05 : 13,255.58 = 3,909.01 : x
  2. Step 2: Convert to fraction form
    8,837.05/13,255.58 = 3,909.01/x
  3. Step 3: Cross multiply
    8,837.05x = 13,255.58 × 3,909.01
  4. Step 4: Simplify right side
    8,837.05x = 51,816,194.78
  5. Step 5: Solve for x
    x = 51,816,194.78/8,837.05
  6. Step 6: Final answer
    x = 5,863.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.