Home / 11,511.48-17,264.65-4,491.68

Finding the Fourth Proportional to 11,511.48, 17,264.65 and 4,491.68

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Solution

The fourth proportional to 11,511.48, 17,264.65 and 4,491.68 is: 6,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.48 : 17,264.65 = 4,491.68 : x
  2. Step 2: Convert to fraction form
    11,511.48/17,264.65 = 4,491.68/x
  3. Step 3: Cross multiply
    11,511.48x = 17,264.65 × 4,491.68
  4. Step 4: Simplify right side
    11,511.48x = 77,547,283.11
  5. Step 5: Solve for x
    x = 77,547,283.11/11,511.48
  6. Step 6: Final answer
    x = 6,736.52

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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.