Home / 11,943.18-16,480.50-6,907.29

Finding the Fourth Proportional to 11,943.18, 16,480.50 and 6,907.29

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Solution

The fourth proportional to 11,943.18, 16,480.50 and 6,907.29 is: 9,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.18 : 16,480.50 = 6,907.29 : x
  2. Step 2: Convert to fraction form
    11,943.18/16,480.50 = 6,907.29/x
  3. Step 3: Cross multiply
    11,943.18x = 16,480.50 × 6,907.29
  4. Step 4: Simplify right side
    11,943.18x = 113,835,592.85
  5. Step 5: Solve for x
    x = 113,835,592.85/11,943.18
  6. Step 6: Final answer
    x = 9,531.43

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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.