Home / 12,421.26-17,141.31-6,832.26

Finding the Fourth Proportional to 12,421.26, 17,141.31 and 6,832.26

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Solution

The fourth proportional to 12,421.26, 17,141.31 and 6,832.26 is: 9,428.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421.26 : 17,141.31 = 6,832.26 : x
  2. Step 2: Convert to fraction form
    12,421.26/17,141.31 = 6,832.26/x
  3. Step 3: Cross multiply
    12,421.26x = 17,141.31 × 6,832.26
  4. Step 4: Simplify right side
    12,421.26x = 117,113,886.66
  5. Step 5: Solve for x
    x = 117,113,886.66/12,421.26
  6. Step 6: Final answer
    x = 9,428.50

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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.