Home / 8,933.80-12,330.44-5,159.44

Finding the Fourth Proportional to 8,933.80, 12,330.44 and 5,159.44

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Solution

The fourth proportional to 8,933.80, 12,330.44 and 5,159.44 is: 7,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.80 : 12,330.44 = 5,159.44 : x
  2. Step 2: Convert to fraction form
    8,933.80/12,330.44 = 5,159.44/x
  3. Step 3: Cross multiply
    8,933.80x = 12,330.44 × 5,159.44
  4. Step 4: Simplify right side
    8,933.80x = 63,618,165.35
  5. Step 5: Solve for x
    x = 63,618,165.35/8,933.80
  6. Step 6: Final answer
    x = 7,121.06

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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.