Home / 12,426.56-17,148.88-6,837.44

Finding the Fourth Proportional to 12,426.56, 17,148.88 and 6,837.44

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Solution

The fourth proportional to 12,426.56, 17,148.88 and 6,837.44 is: 9,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426.56 : 17,148.88 = 6,837.44 : x
  2. Step 2: Convert to fraction form
    12,426.56/17,148.88 = 6,837.44/x
  3. Step 3: Cross multiply
    12,426.56x = 17,148.88 × 6,837.44
  4. Step 4: Simplify right side
    12,426.56x = 117,254,438.07
  5. Step 5: Solve for x
    x = 117,254,438.07/12,426.56
  6. Step 6: Final answer
    x = 9,435.79

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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.