Home / 11,191.13-16,783.10-3,693.01

Finding the Fourth Proportional to 11,191.13, 16,783.10 and 3,693.01

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Solution

The fourth proportional to 11,191.13, 16,783.10 and 3,693.01 is: 5,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.13 : 16,783.10 = 3,693.01 : x
  2. Step 2: Convert to fraction form
    11,191.13/16,783.10 = 3,693.01/x
  3. Step 3: Cross multiply
    11,191.13x = 16,783.10 × 3,693.01
  4. Step 4: Simplify right side
    11,191.13x = 61,980,123.41
  5. Step 5: Solve for x
    x = 61,980,123.41/11,191.13
  6. Step 6: Final answer
    x = 5,538.33

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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.