Home / 11,316.54-16,971.21-4,741.50

Finding the Fourth Proportional to 11,316.54, 16,971.21 and 4,741.50

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Solution

The fourth proportional to 11,316.54, 16,971.21 and 4,741.50 is: 7,110.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.54 : 16,971.21 = 4,741.50 : x
  2. Step 2: Convert to fraction form
    11,316.54/16,971.21 = 4,741.50/x
  3. Step 3: Cross multiply
    11,316.54x = 16,971.21 × 4,741.50
  4. Step 4: Simplify right side
    11,316.54x = 80,468,992.22
  5. Step 5: Solve for x
    x = 80,468,992.22/11,316.54
  6. Step 6: Final answer
    x = 7,110.74

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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.