Home / 8,936.86-12,334.14-5,159.27

Finding the Fourth Proportional to 8,936.86, 12,334.14 and 5,159.27

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Solution

The fourth proportional to 8,936.86, 12,334.14 and 5,159.27 is: 7,120.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.86 : 12,334.14 = 5,159.27 : x
  2. Step 2: Convert to fraction form
    8,936.86/12,334.14 = 5,159.27/x
  3. Step 3: Cross multiply
    8,936.86x = 12,334.14 × 5,159.27
  4. Step 4: Simplify right side
    8,936.86x = 63,635,071.01
  5. Step 5: Solve for x
    x = 63,635,071.01/8,936.86
  6. Step 6: Final answer
    x = 7,120.52

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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.