Home / 12,270.44-16,933.20-6,681.44

Finding the Fourth Proportional to 12,270.44, 16,933.20 and 6,681.44

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Solution

The fourth proportional to 12,270.44, 16,933.20 and 6,681.44 is: 9,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.44 : 16,933.20 = 6,681.44 : x
  2. Step 2: Convert to fraction form
    12,270.44/16,933.20 = 6,681.44/x
  3. Step 3: Cross multiply
    12,270.44x = 16,933.20 × 6,681.44
  4. Step 4: Simplify right side
    12,270.44x = 113,138,159.81
  5. Step 5: Solve for x
    x = 113,138,159.81/12,270.44
  6. Step 6: Final answer
    x = 9,220.38

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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.