Home / 12,963.17-19,442.40-3,600.84

Finding the Fourth Proportional to 12,963.17, 19,442.40 and 3,600.84

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Solution

The fourth proportional to 12,963.17, 19,442.40 and 3,600.84 is: 5,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.17 : 19,442.40 = 3,600.84 : x
  2. Step 2: Convert to fraction form
    12,963.17/19,442.40 = 3,600.84/x
  3. Step 3: Cross multiply
    12,963.17x = 19,442.40 × 3,600.84
  4. Step 4: Simplify right side
    12,963.17x = 70,008,971.62
  5. Step 5: Solve for x
    x = 70,008,971.62/12,963.17
  6. Step 6: Final answer
    x = 5,400.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.