Home / 10,749.08-16,129.84-4,508.53

Finding the Fourth Proportional to 10,749.08, 16,129.84 and 4,508.53

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Solution

The fourth proportional to 10,749.08, 16,129.84 and 4,508.53 is: 6,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.08 : 16,129.84 = 4,508.53 : x
  2. Step 2: Convert to fraction form
    10,749.08/16,129.84 = 4,508.53/x
  3. Step 3: Cross multiply
    10,749.08x = 16,129.84 × 4,508.53
  4. Step 4: Simplify right side
    10,749.08x = 72,721,815.94
  5. Step 5: Solve for x
    x = 72,721,815.94/10,749.08
  6. Step 6: Final answer
    x = 6,765.40

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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.