Home / 31,784.06-47,676.13-11,007.56

Finding the Fourth Proportional to 31,784.06, 47,676.13 and 11,007.56

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Solution

The fourth proportional to 31,784.06, 47,676.13 and 11,007.56 is: 16,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,784.06 : 47,676.13 = 11,007.56 : x
  2. Step 2: Convert to fraction form
    31,784.06/47,676.13 = 11,007.56/x
  3. Step 3: Cross multiply
    31,784.06x = 47,676.13 × 11,007.56
  4. Step 4: Simplify right side
    31,784.06x = 524,797,953.21
  5. Step 5: Solve for x
    x = 524,797,953.21/31,784.06
  6. Step 6: Final answer
    x = 16,511.36

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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.