Home / 12,268.24-16,931.05-6,963.40

Finding the Fourth Proportional to 12,268.24, 16,931.05 and 6,963.40

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Solution

The fourth proportional to 12,268.24, 16,931.05 and 6,963.40 is: 9,609.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.24 : 16,931.05 = 6,963.40 : x
  2. Step 2: Convert to fraction form
    12,268.24/16,931.05 = 6,963.40/x
  3. Step 3: Cross multiply
    12,268.24x = 16,931.05 × 6,963.40
  4. Step 4: Simplify right side
    12,268.24x = 117,897,696.91
  5. Step 5: Solve for x
    x = 117,897,696.91/12,268.24
  6. Step 6: Final answer
    x = 9,609.99

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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.