Home / 10,926.25-16,388.95-3,135.06

Finding the Fourth Proportional to 10,926.25, 16,388.95 and 3,135.06

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Solution

The fourth proportional to 10,926.25, 16,388.95 and 3,135.06 is: 4,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.25 : 16,388.95 = 3,135.06 : x
  2. Step 2: Convert to fraction form
    10,926.25/16,388.95 = 3,135.06/x
  3. Step 3: Cross multiply
    10,926.25x = 16,388.95 × 3,135.06
  4. Step 4: Simplify right side
    10,926.25x = 51,380,341.59
  5. Step 5: Solve for x
    x = 51,380,341.59/10,926.25
  6. Step 6: Final answer
    x = 4,702.47

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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.