Home / 11,213.49-16,821.45-4,635.93

Finding the Fourth Proportional to 11,213.49, 16,821.45 and 4,635.93

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Solution

The fourth proportional to 11,213.49, 16,821.45 and 4,635.93 is: 6,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.49 : 16,821.45 = 4,635.93 : x
  2. Step 2: Convert to fraction form
    11,213.49/16,821.45 = 4,635.93/x
  3. Step 3: Cross multiply
    11,213.49x = 16,821.45 × 4,635.93
  4. Step 4: Simplify right side
    11,213.49x = 77,983,064.70
  5. Step 5: Solve for x
    x = 77,983,064.70/11,213.49
  6. Step 6: Final answer
    x = 6,954.40

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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.