Home / 11,331.30-15,636.46-6,295.12

Finding the Fourth Proportional to 11,331.30, 15,636.46 and 6,295.12

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Solution

The fourth proportional to 11,331.30, 15,636.46 and 6,295.12 is: 8,686.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.30 : 15,636.46 = 6,295.12 : x
  2. Step 2: Convert to fraction form
    11,331.30/15,636.46 = 6,295.12/x
  3. Step 3: Cross multiply
    11,331.30x = 15,636.46 × 6,295.12
  4. Step 4: Simplify right side
    11,331.30x = 98,433,392.08
  5. Step 5: Solve for x
    x = 98,433,392.08/11,331.30
  6. Step 6: Final answer
    x = 8,686.86

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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.