Home / 11,221.16-15,484.58-6,185.38

Finding the Fourth Proportional to 11,221.16, 15,484.58 and 6,185.38

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Solution

The fourth proportional to 11,221.16, 15,484.58 and 6,185.38 is: 8,535.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.16 : 15,484.58 = 6,185.38 : x
  2. Step 2: Convert to fraction form
    11,221.16/15,484.58 = 6,185.38/x
  3. Step 3: Cross multiply
    11,221.16x = 15,484.58 × 6,185.38
  4. Step 4: Simplify right side
    11,221.16x = 95,778,011.44
  5. Step 5: Solve for x
    x = 95,778,011.44/11,221.16
  6. Step 6: Final answer
    x = 8,535.48

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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.