Home / 11,042.38-15,239.87-6,326.67

Finding the Fourth Proportional to 11,042.38, 15,239.87 and 6,326.67

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Solution

The fourth proportional to 11,042.38, 15,239.87 and 6,326.67 is: 8,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.38 : 15,239.87 = 6,326.67 : x
  2. Step 2: Convert to fraction form
    11,042.38/15,239.87 = 6,326.67/x
  3. Step 3: Cross multiply
    11,042.38x = 15,239.87 × 6,326.67
  4. Step 4: Simplify right side
    11,042.38x = 96,417,628.33
  5. Step 5: Solve for x
    x = 96,417,628.33/11,042.38
  6. Step 6: Final answer
    x = 8,731.60

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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.