Home / 11,372.19-15,692.50-6,336.21

Finding the Fourth Proportional to 11,372.19, 15,692.50 and 6,336.21

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Solution

The fourth proportional to 11,372.19, 15,692.50 and 6,336.21 is: 8,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.19 : 15,692.50 = 6,336.21 : x
  2. Step 2: Convert to fraction form
    11,372.19/15,692.50 = 6,336.21/x
  3. Step 3: Cross multiply
    11,372.19x = 15,692.50 × 6,336.21
  4. Step 4: Simplify right side
    11,372.19x = 99,430,975.43
  5. Step 5: Solve for x
    x = 99,430,975.43/11,372.19
  6. Step 6: Final answer
    x = 8,743.34

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Double scale
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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.