Home / 11,117.40-16,676.10-4,456.93

Finding the Fourth Proportional to 11,117.40, 16,676.10 and 4,456.93

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Solution

The fourth proportional to 11,117.40, 16,676.10 and 4,456.93 is: 6,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.40 : 16,676.10 = 4,456.93 : x
  2. Step 2: Convert to fraction form
    11,117.40/16,676.10 = 4,456.93/x
  3. Step 3: Cross multiply
    11,117.40x = 16,676.10 × 4,456.93
  4. Step 4: Simplify right side
    11,117.40x = 74,324,210.37
  5. Step 5: Solve for x
    x = 74,324,210.37/11,117.40
  6. Step 6: Final answer
    x = 6,685.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.