Home / 11,264.70-16,897.05-11,118.90

Finding the Fourth Proportional to 11,264.70, 16,897.05 and 11,118.90

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Solution

The fourth proportional to 11,264.70, 16,897.05 and 11,118.90 is: 16,678.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,264.70 : 16,897.05 = 11,118.90 : x
  2. Step 2: Convert to fraction form
    11,264.70/16,897.05 = 11,118.90/x
  3. Step 3: Cross multiply
    11,264.70x = 16,897.05 × 11,118.90
  4. Step 4: Simplify right side
    11,264.70x = 187,876,609.25
  5. Step 5: Solve for x
    x = 187,876,609.25/11,264.70
  6. Step 6: Final answer
    x = 16,678.35

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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.