Home / 8,287.86-11,437.49-4,511.27

Finding the Fourth Proportional to 8,287.86, 11,437.49 and 4,511.27

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Solution

The fourth proportional to 8,287.86, 11,437.49 and 4,511.27 is: 6,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.86 : 11,437.49 = 4,511.27 : x
  2. Step 2: Convert to fraction form
    8,287.86/11,437.49 = 4,511.27/x
  3. Step 3: Cross multiply
    8,287.86x = 11,437.49 × 4,511.27
  4. Step 4: Simplify right side
    8,287.86x = 51,597,634.11
  5. Step 5: Solve for x
    x = 51,597,634.11/8,287.86
  6. Step 6: Final answer
    x = 6,225.69

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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.