Home / 11,000.72-16,501.14-3,605.12

Finding the Fourth Proportional to 11,000.72, 16,501.14 and 3,605.12

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Solution

The fourth proportional to 11,000.72, 16,501.14 and 3,605.12 is: 5,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.72 : 16,501.14 = 3,605.12 : x
  2. Step 2: Convert to fraction form
    11,000.72/16,501.14 = 3,605.12/x
  3. Step 3: Cross multiply
    11,000.72x = 16,501.14 × 3,605.12
  4. Step 4: Simplify right side
    11,000.72x = 59,488,589.84
  5. Step 5: Solve for x
    x = 59,488,589.84/11,000.72
  6. Step 6: Final answer
    x = 5,407.70

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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.