Home / 11,367.45-15,686.56-6,331.62

Finding the Fourth Proportional to 11,367.45, 15,686.56 and 6,331.62

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Solution

The fourth proportional to 11,367.45, 15,686.56 and 6,331.62 is: 8,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,367.45 : 15,686.56 = 6,331.62 : x
  2. Step 2: Convert to fraction form
    11,367.45/15,686.56 = 6,331.62/x
  3. Step 3: Cross multiply
    11,367.45x = 15,686.56 × 6,331.62
  4. Step 4: Simplify right side
    11,367.45x = 99,321,335.11
  5. Step 5: Solve for x
    x = 99,321,335.11/11,367.45
  6. Step 6: Final answer
    x = 8,737.35

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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.