Home / 11,159.98-16,731.51-6,776.26

Finding the Fourth Proportional to 11,159.98, 16,731.51 and 6,776.26

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Solution

The fourth proportional to 11,159.98, 16,731.51 and 6,776.26 is: 10,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.98 : 16,731.51 = 6,776.26 : x
  2. Step 2: Convert to fraction form
    11,159.98/16,731.51 = 6,776.26/x
  3. Step 3: Cross multiply
    11,159.98x = 16,731.51 × 6,776.26
  4. Step 4: Simplify right side
    11,159.98x = 113,377,061.95
  5. Step 5: Solve for x
    x = 113,377,061.95/11,159.98
  6. Step 6: Final answer
    x = 10,159.25

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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.