Home / 10,521.99-14,519.52-6,272.73

Finding the Fourth Proportional to 10,521.99, 14,519.52 and 6,272.73

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Solution

The fourth proportional to 10,521.99, 14,519.52 and 6,272.73 is: 8,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.99 : 14,519.52 = 6,272.73 : x
  2. Step 2: Convert to fraction form
    10,521.99/14,519.52 = 6,272.73/x
  3. Step 3: Cross multiply
    10,521.99x = 14,519.52 × 6,272.73
  4. Step 4: Simplify right side
    10,521.99x = 91,077,028.69
  5. Step 5: Solve for x
    x = 91,077,028.69/10,521.99
  6. Step 6: Final answer
    x = 8,655.87

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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.