Home / 12,269.79-16,933.19-6,964.95

Finding the Fourth Proportional to 12,269.79, 16,933.19 and 6,964.95

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Solution

The fourth proportional to 12,269.79, 16,933.19 and 6,964.95 is: 9,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.79 : 16,933.19 = 6,964.95 : x
  2. Step 2: Convert to fraction form
    12,269.79/16,933.19 = 6,964.95/x
  3. Step 3: Cross multiply
    12,269.79x = 16,933.19 × 6,964.95
  4. Step 4: Simplify right side
    12,269.79x = 117,938,850.37
  5. Step 5: Solve for x
    x = 117,938,850.37/12,269.79
  6. Step 6: Final answer
    x = 9,612.13

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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.