Home / 11,929.97-16,463.51-6,625.28

Finding the Fourth Proportional to 11,929.97, 16,463.51 and 6,625.28

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Solution

The fourth proportional to 11,929.97, 16,463.51 and 6,625.28 is: 9,142.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.97 : 16,463.51 = 6,625.28 : x
  2. Step 2: Convert to fraction form
    11,929.97/16,463.51 = 6,625.28/x
  3. Step 3: Cross multiply
    11,929.97x = 16,463.51 × 6,625.28
  4. Step 4: Simplify right side
    11,929.97x = 109,075,248.09
  5. Step 5: Solve for x
    x = 109,075,248.09/11,929.97
  6. Step 6: Final answer
    x = 9,142.96

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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.