Home / 11,637.62-17,459.20-3,317.76

Finding the Fourth Proportional to 11,637.62, 17,459.20 and 3,317.76

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Solution

The fourth proportional to 11,637.62, 17,459.20 and 3,317.76 is: 4,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,637.62 : 17,459.20 = 3,317.76 : x
  2. Step 2: Convert to fraction form
    11,637.62/17,459.20 = 3,317.76/x
  3. Step 3: Cross multiply
    11,637.62x = 17,459.20 × 3,317.76
  4. Step 4: Simplify right side
    11,637.62x = 57,925,420.88
  5. Step 5: Solve for x
    x = 57,925,420.88/11,637.62
  6. Step 6: Final answer
    x = 4,977.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.