Home / 12,269.64-16,931.52-6,963.75

Finding the Fourth Proportional to 12,269.64, 16,931.52 and 6,963.75

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Solution

The fourth proportional to 12,269.64, 16,931.52 and 6,963.75 is: 9,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.64 : 16,931.52 = 6,963.75 : x
  2. Step 2: Convert to fraction form
    12,269.64/16,931.52 = 6,963.75/x
  3. Step 3: Cross multiply
    12,269.64x = 16,931.52 × 6,963.75
  4. Step 4: Simplify right side
    12,269.64x = 117,906,872.40
  5. Step 5: Solve for x
    x = 117,906,872.40/12,269.64
  6. Step 6: Final answer
    x = 9,609.64

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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.