Home / 12,564.20-17,338.38-6,975.08

Finding the Fourth Proportional to 12,564.20, 17,338.38 and 6,975.08

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Solution

The fourth proportional to 12,564.20, 17,338.38 and 6,975.08 is: 9,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564.20 : 17,338.38 = 6,975.08 : x
  2. Step 2: Convert to fraction form
    12,564.20/17,338.38 = 6,975.08/x
  3. Step 3: Cross multiply
    12,564.20x = 17,338.38 × 6,975.08
  4. Step 4: Simplify right side
    12,564.20x = 120,936,587.57
  5. Step 5: Solve for x
    x = 120,936,587.57/12,564.20
  6. Step 6: Final answer
    x = 9,625.49

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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.