Home / 11,372.13-15,692.40-6,336.15

Finding the Fourth Proportional to 11,372.13, 15,692.40 and 6,336.15

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Solution

The fourth proportional to 11,372.13, 15,692.40 and 6,336.15 is: 8,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.13 : 15,692.40 = 6,336.15 : x
  2. Step 2: Convert to fraction form
    11,372.13/15,692.40 = 6,336.15/x
  3. Step 3: Cross multiply
    11,372.13x = 15,692.40 × 6,336.15
  4. Step 4: Simplify right side
    11,372.13x = 99,429,400.26
  5. Step 5: Solve for x
    x = 99,429,400.26/11,372.13
  6. Step 6: Final answer
    x = 8,743.25

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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.