Home / 11,451.24-15,803.10-10,926.36

Finding the Fourth Proportional to 11,451.24, 15,803.10 and 10,926.36

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Solution

The fourth proportional to 11,451.24, 15,803.10 and 10,926.36 is: 15,078.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.24 : 15,803.10 = 10,926.36 : x
  2. Step 2: Convert to fraction form
    11,451.24/15,803.10 = 10,926.36/x
  3. Step 3: Cross multiply
    11,451.24x = 15,803.10 × 10,926.36
  4. Step 4: Simplify right side
    11,451.24x = 172,670,359.72
  5. Step 5: Solve for x
    x = 172,670,359.72/11,451.24
  6. Step 6: Final answer
    x = 15,078.75

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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.