Home / 11,744.83-16,207.98-6,439.51

Finding the Fourth Proportional to 11,744.83, 16,207.98 and 6,439.51

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Solution

The fourth proportional to 11,744.83, 16,207.98 and 6,439.51 is: 8,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.83 : 16,207.98 = 6,439.51 : x
  2. Step 2: Convert to fraction form
    11,744.83/16,207.98 = 6,439.51/x
  3. Step 3: Cross multiply
    11,744.83x = 16,207.98 × 6,439.51
  4. Step 4: Simplify right side
    11,744.83x = 104,371,449.29
  5. Step 5: Solve for x
    x = 104,371,449.29/11,744.83
  6. Step 6: Final answer
    x = 8,886.59

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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.