Home / 10,267.47-14,169.21-5,790.78

Finding the Fourth Proportional to 10,267.47, 14,169.21 and 5,790.78

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Solution

The fourth proportional to 10,267.47, 14,169.21 and 5,790.78 is: 7,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267.47 : 14,169.21 = 5,790.78 : x
  2. Step 2: Convert to fraction form
    10,267.47/14,169.21 = 5,790.78/x
  3. Step 3: Cross multiply
    10,267.47x = 14,169.21 × 5,790.78
  4. Step 4: Simplify right side
    10,267.47x = 82,050,777.88
  5. Step 5: Solve for x
    x = 82,050,777.88/10,267.47
  6. Step 6: Final answer
    x = 7,991.33

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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.