Home / 11,845.15-16,346.30-6,810.35

Finding the Fourth Proportional to 11,845.15, 16,346.30 and 6,810.35

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Solution

The fourth proportional to 11,845.15, 16,346.30 and 6,810.35 is: 9,398.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.15 : 16,346.30 = 6,810.35 : x
  2. Step 2: Convert to fraction form
    11,845.15/16,346.30 = 6,810.35/x
  3. Step 3: Cross multiply
    11,845.15x = 16,346.30 × 6,810.35
  4. Step 4: Simplify right side
    11,845.15x = 111,324,007.18
  5. Step 5: Solve for x
    x = 111,324,007.18/11,845.15
  6. Step 6: Final answer
    x = 9,398.28

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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.