Home / 11,325.90-16,971.52-4,748.50

Finding the Fourth Proportional to 11,325.90, 16,971.52 and 4,748.50

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Solution

The fourth proportional to 11,325.90, 16,971.52 and 4,748.50 is: 7,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.90 : 16,971.52 = 4,748.50 : x
  2. Step 2: Convert to fraction form
    11,325.90/16,971.52 = 4,748.50/x
  3. Step 3: Cross multiply
    11,325.90x = 16,971.52 × 4,748.50
  4. Step 4: Simplify right side
    11,325.90x = 80,589,154.12
  5. Step 5: Solve for x
    x = 80,589,154.12/11,325.90
  6. Step 6: Final answer
    x = 7,115.47

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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.