Home / 11,372.40-15,692.13-6,335.01

Finding the Fourth Proportional to 11,372.40, 15,692.13 and 6,335.01

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Solution

The fourth proportional to 11,372.40, 15,692.13 and 6,335.01 is: 8,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.40 : 15,692.13 = 6,335.01 : x
  2. Step 2: Convert to fraction form
    11,372.40/15,692.13 = 6,335.01/x
  3. Step 3: Cross multiply
    11,372.40x = 15,692.13 × 6,335.01
  4. Step 4: Simplify right side
    11,372.40x = 99,409,800.47
  5. Step 5: Solve for x
    x = 99,409,800.47/11,372.40
  6. Step 6: Final answer
    x = 8,741.32

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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.