Home / 10,927.84-16,392.48-3,136.72

Finding the Fourth Proportional to 10,927.84, 16,392.48 and 3,136.72

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Solution

The fourth proportional to 10,927.84, 16,392.48 and 3,136.72 is: 4,705.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.84 : 16,392.48 = 3,136.72 : x
  2. Step 2: Convert to fraction form
    10,927.84/16,392.48 = 3,136.72/x
  3. Step 3: Cross multiply
    10,927.84x = 16,392.48 × 3,136.72
  4. Step 4: Simplify right side
    10,927.84x = 51,418,619.87
  5. Step 5: Solve for x
    x = 51,418,619.87/10,927.84
  6. Step 6: Final answer
    x = 4,705.29

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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.