Home / 11,861.30-16,368.36-6,556.34

Finding the Fourth Proportional to 11,861.30, 16,368.36 and 6,556.34

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Solution

The fourth proportional to 11,861.30, 16,368.36 and 6,556.34 is: 9,047.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.30 : 16,368.36 = 6,556.34 : x
  2. Step 2: Convert to fraction form
    11,861.30/16,368.36 = 6,556.34/x
  3. Step 3: Cross multiply
    11,861.30x = 16,368.36 × 6,556.34
  4. Step 4: Simplify right side
    11,861.30x = 107,316,533.40
  5. Step 5: Solve for x
    x = 107,316,533.40/11,861.30
  6. Step 6: Final answer
    x = 9,047.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.