Home / 12,094.40-16,690.32-6,789.48

Finding the Fourth Proportional to 12,094.40, 16,690.32 and 6,789.48

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Solution

The fourth proportional to 12,094.40, 16,690.32 and 6,789.48 is: 9,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,094.40 : 16,690.32 = 6,789.48 : x
  2. Step 2: Convert to fraction form
    12,094.40/16,690.32 = 6,789.48/x
  3. Step 3: Cross multiply
    12,094.40x = 16,690.32 × 6,789.48
  4. Step 4: Simplify right side
    12,094.40x = 113,318,593.83
  5. Step 5: Solve for x
    x = 113,318,593.83/12,094.40
  6. Step 6: Final answer
    x = 9,369.51

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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.