Home / 11,712.66-16,162.74-6,676.16

Finding the Fourth Proportional to 11,712.66, 16,162.74 and 6,676.16

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Solution

The fourth proportional to 11,712.66, 16,162.74 and 6,676.16 is: 9,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.66 : 16,162.74 = 6,676.16 : x
  2. Step 2: Convert to fraction form
    11,712.66/16,162.74 = 6,676.16/x
  3. Step 3: Cross multiply
    11,712.66x = 16,162.74 × 6,676.16
  4. Step 4: Simplify right side
    11,712.66x = 107,905,038.28
  5. Step 5: Solve for x
    x = 107,905,038.28/11,712.66
  6. Step 6: Final answer
    x = 9,212.68

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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.