Home / 10,879.64-15,012.57-6,098.48

Finding the Fourth Proportional to 10,879.64, 15,012.57 and 6,098.48

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Solution

The fourth proportional to 10,879.64, 15,012.57 and 6,098.48 is: 8,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.64 : 15,012.57 = 6,098.48 : x
  2. Step 2: Convert to fraction form
    10,879.64/15,012.57 = 6,098.48/x
  3. Step 3: Cross multiply
    10,879.64x = 15,012.57 × 6,098.48
  4. Step 4: Simplify right side
    10,879.64x = 91,553,857.89
  5. Step 5: Solve for x
    x = 91,553,857.89/10,879.64
  6. Step 6: Final answer
    x = 8,415.16

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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.