Home / 8,010.72-11,039.76-6,239.52

Finding the Fourth Proportional to 8,010.72, 11,039.76 and 6,239.52

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Solution

The fourth proportional to 8,010.72, 11,039.76 and 6,239.52 is: 8,598.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.72 : 11,039.76 = 6,239.52 : x
  2. Step 2: Convert to fraction form
    8,010.72/11,039.76 = 6,239.52/x
  3. Step 3: Cross multiply
    8,010.72x = 11,039.76 × 6,239.52
  4. Step 4: Simplify right side
    8,010.72x = 68,882,803.32
  5. Step 5: Solve for x
    x = 68,882,803.32/8,010.72
  6. Step 6: Final answer
    x = 8,598.83

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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.