Home / 12,941.36-19,411.12-4,620.44

Finding the Fourth Proportional to 12,941.36, 19,411.12 and 4,620.44

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Solution

The fourth proportional to 12,941.36, 19,411.12 and 4,620.44 is: 6,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.36 : 19,411.12 = 4,620.44 : x
  2. Step 2: Convert to fraction form
    12,941.36/19,411.12 = 4,620.44/x
  3. Step 3: Cross multiply
    12,941.36x = 19,411.12 × 4,620.44
  4. Step 4: Simplify right side
    12,941.36x = 89,687,915.29
  5. Step 5: Solve for x
    x = 89,687,915.29/12,941.36
  6. Step 6: Final answer
    x = 6,930.33

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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.