Home / 12,961.09-19,444.72-4,196

Finding the Fourth Proportional to 12,961.09, 19,444.72 and 4,196

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Solution

The fourth proportional to 12,961.09, 19,444.72 and 4,196 is: 6,295.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961.09 : 19,444.72 = 4,196 : x
  2. Step 2: Convert to fraction form
    12,961.09/19,444.72 = 4,196/x
  3. Step 3: Cross multiply
    12,961.09x = 19,444.72 × 4,196
  4. Step 4: Simplify right side
    12,961.09x = 81,590,024.14
  5. Step 5: Solve for x
    x = 81,590,024.14/12,961.09
  6. Step 6: Final answer
    x = 6,295.00

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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.