Home / 8,106.35-11,187.18-4,749.42

Finding the Fourth Proportional to 8,106.35, 11,187.18 and 4,749.42

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Solution

The fourth proportional to 8,106.35, 11,187.18 and 4,749.42 is: 6,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.35 : 11,187.18 = 4,749.42 : x
  2. Step 2: Convert to fraction form
    8,106.35/11,187.18 = 4,749.42/x
  3. Step 3: Cross multiply
    8,106.35x = 11,187.18 × 4,749.42
  4. Step 4: Simplify right side
    8,106.35x = 53,132,616.44
  5. Step 5: Solve for x
    x = 53,132,616.44/8,106.35
  6. Step 6: Final answer
    x = 6,554.45

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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.