Home / 10,708.12-14,777.33-6,169.76

Finding the Fourth Proportional to 10,708.12, 14,777.33 and 6,169.76

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Solution

The fourth proportional to 10,708.12, 14,777.33 and 6,169.76 is: 8,514.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708.12 : 14,777.33 = 6,169.76 : x
  2. Step 2: Convert to fraction form
    10,708.12/14,777.33 = 6,169.76/x
  3. Step 3: Cross multiply
    10,708.12x = 14,777.33 × 6,169.76
  4. Step 4: Simplify right side
    10,708.12x = 91,172,579.54
  5. Step 5: Solve for x
    x = 91,172,579.54/10,708.12
  6. Step 6: Final answer
    x = 8,514.34

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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.