Home / 10,879.52-15,012.88-6,162.62

Finding the Fourth Proportional to 10,879.52, 15,012.88 and 6,162.62

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Solution

The fourth proportional to 10,879.52, 15,012.88 and 6,162.62 is: 8,503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.52 : 15,012.88 = 6,162.62 : x
  2. Step 2: Convert to fraction form
    10,879.52/15,012.88 = 6,162.62/x
  3. Step 3: Cross multiply
    10,879.52x = 15,012.88 × 6,162.62
  4. Step 4: Simplify right side
    10,879.52x = 92,518,584.07
  5. Step 5: Solve for x
    x = 92,518,584.07/10,879.52
  6. Step 6: Final answer
    x = 8,503.93

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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.