Home / 12,274.11-16,938.75-6,969.42

Finding the Fourth Proportional to 12,274.11, 16,938.75 and 6,969.42

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Solution

The fourth proportional to 12,274.11, 16,938.75 and 6,969.42 is: 9,618.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.11 : 16,938.75 = 6,969.42 : x
  2. Step 2: Convert to fraction form
    12,274.11/16,938.75 = 6,969.42/x
  3. Step 3: Cross multiply
    12,274.11x = 16,938.75 × 6,969.42
  4. Step 4: Simplify right side
    12,274.11x = 118,053,263.03
  5. Step 5: Solve for x
    x = 118,053,263.03/12,274.11
  6. Step 6: Final answer
    x = 9,618.07

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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.