Home / 12,926.18-17,837.13-7,259.12

Finding the Fourth Proportional to 12,926.18, 17,837.13 and 7,259.12

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Solution

The fourth proportional to 12,926.18, 17,837.13 and 7,259.12 is: 10,017.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.18 : 17,837.13 = 7,259.12 : x
  2. Step 2: Convert to fraction form
    12,926.18/17,837.13 = 7,259.12/x
  3. Step 3: Cross multiply
    12,926.18x = 17,837.13 × 7,259.12
  4. Step 4: Simplify right side
    12,926.18x = 129,481,777.94
  5. Step 5: Solve for x
    x = 129,481,777.94/12,926.18
  6. Step 6: Final answer
    x = 10,017.02

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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.