Home / 12,941.42-19,411.70-4,176

Finding the Fourth Proportional to 12,941.42, 19,411.70 and 4,176

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Solution

The fourth proportional to 12,941.42, 19,411.70 and 4,176 is: 6,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.42 : 19,411.70 = 4,176 : x
  2. Step 2: Convert to fraction form
    12,941.42/19,411.70 = 4,176/x
  3. Step 3: Cross multiply
    12,941.42x = 19,411.70 × 4,176
  4. Step 4: Simplify right side
    12,941.42x = 81,063,238.32
  5. Step 5: Solve for x
    x = 81,063,238.32/12,941.42
  6. Step 6: Final answer
    x = 6,263.86

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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.