Home / 10,134.21-13,985.44-6,357.53

Finding the Fourth Proportional to 10,134.21, 13,985.44 and 6,357.53

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Solution

The fourth proportional to 10,134.21, 13,985.44 and 6,357.53 is: 8,773.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.21 : 13,985.44 = 6,357.53 : x
  2. Step 2: Convert to fraction form
    10,134.21/13,985.44 = 6,357.53/x
  3. Step 3: Cross multiply
    10,134.21x = 13,985.44 × 6,357.53
  4. Step 4: Simplify right side
    10,134.21x = 88,912,854.36
  5. Step 5: Solve for x
    x = 88,912,854.36/10,134.21
  6. Step 6: Final answer
    x = 8,773.54

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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.