Home / 12,426.25-17,148.23-6,837.25

Finding the Fourth Proportional to 12,426.25, 17,148.23 and 6,837.25

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Solution

The fourth proportional to 12,426.25, 17,148.23 and 6,837.25 is: 9,435.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426.25 : 17,148.23 = 6,837.25 : x
  2. Step 2: Convert to fraction form
    12,426.25/17,148.23 = 6,837.25/x
  3. Step 3: Cross multiply
    12,426.25x = 17,148.23 × 6,837.25
  4. Step 4: Simplify right side
    12,426.25x = 117,246,701.38
  5. Step 5: Solve for x
    x = 117,246,701.38/12,426.25
  6. Step 6: Final answer
    x = 9,435.41

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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.