Home / 11,257.53-16,889.21-5,988.20

Finding the Fourth Proportional to 11,257.53, 16,889.21 and 5,988.20

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Solution

The fourth proportional to 11,257.53, 16,889.21 and 5,988.20 is: 8,983.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.53 : 16,889.21 = 5,988.20 : x
  2. Step 2: Convert to fraction form
    11,257.53/16,889.21 = 5,988.20/x
  3. Step 3: Cross multiply
    11,257.53x = 16,889.21 × 5,988.20
  4. Step 4: Simplify right side
    11,257.53x = 101,136,035.74
  5. Step 5: Solve for x
    x = 101,136,035.74/11,257.53
  6. Step 6: Final answer
    x = 8,983.86

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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.