Home / 12,269.22-16,931.02-6,963.94

Finding the Fourth Proportional to 12,269.22, 16,931.02 and 6,963.94

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Solution

The fourth proportional to 12,269.22, 16,931.02 and 6,963.94 is: 9,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.22 : 16,931.02 = 6,963.94 : x
  2. Step 2: Convert to fraction form
    12,269.22/16,931.02 = 6,963.94/x
  3. Step 3: Cross multiply
    12,269.22x = 16,931.02 × 6,963.94
  4. Step 4: Simplify right side
    12,269.22x = 117,906,607.42
  5. Step 5: Solve for x
    x = 117,906,607.42/12,269.22
  6. Step 6: Final answer
    x = 9,609.95

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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.