Home / 11,240.13-15,511.38-6,272.13

Finding the Fourth Proportional to 11,240.13, 15,511.38 and 6,272.13

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Solution

The fourth proportional to 11,240.13, 15,511.38 and 6,272.13 is: 8,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.13 : 15,511.38 = 6,272.13 : x
  2. Step 2: Convert to fraction form
    11,240.13/15,511.38 = 6,272.13/x
  3. Step 3: Cross multiply
    11,240.13x = 15,511.38 × 6,272.13
  4. Step 4: Simplify right side
    11,240.13x = 97,289,391.84
  5. Step 5: Solve for x
    x = 97,289,391.84/11,240.13
  6. Step 6: Final answer
    x = 8,655.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.