Home / 11,246.07-16,833.73-7,715.43

Finding the Fourth Proportional to 11,246.07, 16,833.73 and 7,715.43

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Solution

The fourth proportional to 11,246.07, 16,833.73 and 7,715.43 is: 11,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.07 : 16,833.73 = 7,715.43 : x
  2. Step 2: Convert to fraction form
    11,246.07/16,833.73 = 7,715.43/x
  3. Step 3: Cross multiply
    11,246.07x = 16,833.73 × 7,715.43
  4. Step 4: Simplify right side
    11,246.07x = 129,879,465.45
  5. Step 5: Solve for x
    x = 129,879,465.45/11,246.07
  6. Step 6: Final answer
    x = 11,548.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.