Home / 11,780.49-16,257.99-6,746.31

Finding the Fourth Proportional to 11,780.49, 16,257.99 and 6,746.31

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Solution

The fourth proportional to 11,780.49, 16,257.99 and 6,746.31 is: 9,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.49 : 16,257.99 = 6,746.31 : x
  2. Step 2: Convert to fraction form
    11,780.49/16,257.99 = 6,746.31/x
  3. Step 3: Cross multiply
    11,780.49x = 16,257.99 × 6,746.31
  4. Step 4: Simplify right side
    11,780.49x = 109,681,440.52
  5. Step 5: Solve for x
    x = 109,681,440.52/11,780.49
  6. Step 6: Final answer
    x = 9,310.43

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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.