Home / 11,511.12-17,262.22-4,490.16

Finding the Fourth Proportional to 11,511.12, 17,262.22 and 4,490.16

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Solution

The fourth proportional to 11,511.12, 17,262.22 and 4,490.16 is: 6,733.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.12 : 17,262.22 = 4,490.16 : x
  2. Step 2: Convert to fraction form
    11,511.12/17,262.22 = 4,490.16/x
  3. Step 3: Cross multiply
    11,511.12x = 17,262.22 × 4,490.16
  4. Step 4: Simplify right side
    11,511.12x = 77,510,129.76
  5. Step 5: Solve for x
    x = 77,510,129.76/11,511.12
  6. Step 6: Final answer
    x = 6,733.50

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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.