Home / 12,600.36-17,388.54-6,934.95

Finding the Fourth Proportional to 12,600.36, 17,388.54 and 6,934.95

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Solution

The fourth proportional to 12,600.36, 17,388.54 and 6,934.95 is: 9,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.36 : 17,388.54 = 6,934.95 : x
  2. Step 2: Convert to fraction form
    12,600.36/17,388.54 = 6,934.95/x
  3. Step 3: Cross multiply
    12,600.36x = 17,388.54 × 6,934.95
  4. Step 4: Simplify right side
    12,600.36x = 120,588,655.47
  5. Step 5: Solve for x
    x = 120,588,655.47/12,600.36
  6. Step 6: Final answer
    x = 9,570.25

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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.