Home / 12,975.48-17,899.94-8,497.26

Finding the Fourth Proportional to 12,975.48, 17,899.94 and 8,497.26

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Solution

The fourth proportional to 12,975.48, 17,899.94 and 8,497.26 is: 11,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975.48 : 17,899.94 = 8,497.26 : x
  2. Step 2: Convert to fraction form
    12,975.48/17,899.94 = 8,497.26/x
  3. Step 3: Cross multiply
    12,975.48x = 17,899.94 × 8,497.26
  4. Step 4: Simplify right side
    12,975.48x = 152,100,401.68
  5. Step 5: Solve for x
    x = 152,100,401.68/12,975.48
  6. Step 6: Final answer
    x = 11,722.14

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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.