Home / 12,076.32-16,665.30-6,771.18

Finding the Fourth Proportional to 12,076.32, 16,665.30 and 6,771.18

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Solution

The fourth proportional to 12,076.32, 16,665.30 and 6,771.18 is: 9,344.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.32 : 16,665.30 = 6,771.18 : x
  2. Step 2: Convert to fraction form
    12,076.32/16,665.30 = 6,771.18/x
  3. Step 3: Cross multiply
    12,076.32x = 16,665.30 × 6,771.18
  4. Step 4: Simplify right side
    12,076.32x = 112,843,746.05
  5. Step 5: Solve for x
    x = 112,843,746.05/12,076.32
  6. Step 6: Final answer
    x = 9,344.22

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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.