Home / 11,714.05-16,165.19-7,176.03

Finding the Fourth Proportional to 11,714.05, 16,165.19 and 7,176.03

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Solution

The fourth proportional to 11,714.05, 16,165.19 and 7,176.03 is: 9,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714.05 : 16,165.19 = 7,176.03 : x
  2. Step 2: Convert to fraction form
    11,714.05/16,165.19 = 7,176.03/x
  3. Step 3: Cross multiply
    11,714.05x = 16,165.19 × 7,176.03
  4. Step 4: Simplify right side
    11,714.05x = 116,001,888.40
  5. Step 5: Solve for x
    x = 116,001,888.40/11,714.05
  6. Step 6: Final answer
    x = 9,902.80

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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.