Home / 11,511.59-17,267.74-4,491.32

Finding the Fourth Proportional to 11,511.59, 17,267.74 and 4,491.32

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Solution

The fourth proportional to 11,511.59, 17,267.74 and 4,491.32 is: 6,737.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.59 : 17,267.74 = 4,491.32 : x
  2. Step 2: Convert to fraction form
    11,511.59/17,267.74 = 4,491.32/x
  3. Step 3: Cross multiply
    11,511.59x = 17,267.74 × 4,491.32
  4. Step 4: Simplify right side
    11,511.59x = 77,554,977.96
  5. Step 5: Solve for x
    x = 77,554,977.96/11,511.59
  6. Step 6: Final answer
    x = 6,737.12

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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.