Home / 12,274.06-16,938.21-6,685.06

Finding the Fourth Proportional to 12,274.06, 16,938.21 and 6,685.06

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Solution

The fourth proportional to 12,274.06, 16,938.21 and 6,685.06 is: 9,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.06 : 16,938.21 = 6,685.06 : x
  2. Step 2: Convert to fraction form
    12,274.06/16,938.21 = 6,685.06/x
  3. Step 3: Cross multiply
    12,274.06x = 16,938.21 × 6,685.06
  4. Step 4: Simplify right side
    12,274.06x = 113,232,950.14
  5. Step 5: Solve for x
    x = 113,232,950.14/12,274.06
  6. Step 6: Final answer
    x = 9,225.39

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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.