Home / 10,879.18-15,013.27-6,163.46

Finding the Fourth Proportional to 10,879.18, 15,013.27 and 6,163.46

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Solution

The fourth proportional to 10,879.18, 15,013.27 and 6,163.46 is: 8,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.18 : 15,013.27 = 6,163.46 : x
  2. Step 2: Convert to fraction form
    10,879.18/15,013.27 = 6,163.46/x
  3. Step 3: Cross multiply
    10,879.18x = 15,013.27 × 6,163.46
  4. Step 4: Simplify right side
    10,879.18x = 92,533,689.11
  5. Step 5: Solve for x
    x = 92,533,689.11/10,879.18
  6. Step 6: Final answer
    x = 8,505.58

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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.