Home / 12,438.17-17,165.10-6,773.02

Finding the Fourth Proportional to 12,438.17, 17,165.10 and 6,773.02

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Solution

The fourth proportional to 12,438.17, 17,165.10 and 6,773.02 is: 9,346.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,438.17 : 17,165.10 = 6,773.02 : x
  2. Step 2: Convert to fraction form
    12,438.17/17,165.10 = 6,773.02/x
  3. Step 3: Cross multiply
    12,438.17x = 17,165.10 × 6,773.02
  4. Step 4: Simplify right side
    12,438.17x = 116,259,538.56
  5. Step 5: Solve for x
    x = 116,259,538.56/12,438.17
  6. Step 6: Final answer
    x = 9,346.99

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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.