Home / 12,207.60-16,844.72-6,830.01

Finding the Fourth Proportional to 12,207.60, 16,844.72 and 6,830.01

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Solution

The fourth proportional to 12,207.60, 16,844.72 and 6,830.01 is: 9,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.60 : 16,844.72 = 6,830.01 : x
  2. Step 2: Convert to fraction form
    12,207.60/16,844.72 = 6,830.01/x
  3. Step 3: Cross multiply
    12,207.60x = 16,844.72 × 6,830.01
  4. Step 4: Simplify right side
    12,207.60x = 115,049,571.90
  5. Step 5: Solve for x
    x = 115,049,571.90/12,207.60
  6. Step 6: Final answer
    x = 9,424.42

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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.