Home / 11,149.08-15,386.48-6,369.27

Finding the Fourth Proportional to 11,149.08, 15,386.48 and 6,369.27

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Solution

The fourth proportional to 11,149.08, 15,386.48 and 6,369.27 is: 8,790.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.08 : 15,386.48 = 6,369.27 : x
  2. Step 2: Convert to fraction form
    11,149.08/15,386.48 = 6,369.27/x
  3. Step 3: Cross multiply
    11,149.08x = 15,386.48 × 6,369.27
  4. Step 4: Simplify right side
    11,149.08x = 98,000,645.47
  5. Step 5: Solve for x
    x = 98,000,645.47/11,149.08
  6. Step 6: Final answer
    x = 8,790.02

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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.