Home / 11,845.40-16,346.74-6,540.58

Finding the Fourth Proportional to 11,845.40, 16,346.74 and 6,540.58

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Solution

The fourth proportional to 11,845.40, 16,346.74 and 6,540.58 is: 9,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.40 : 16,346.74 = 6,540.58 : x
  2. Step 2: Convert to fraction form
    11,845.40/16,346.74 = 6,540.58/x
  3. Step 3: Cross multiply
    11,845.40x = 16,346.74 × 6,540.58
  4. Step 4: Simplify right side
    11,845.40x = 106,917,160.71
  5. Step 5: Solve for x
    x = 106,917,160.71/11,845.40
  6. Step 6: Final answer
    x = 9,026.05

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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.