Home / 10,749.57-16,121.48-2,956.53

Finding the Fourth Proportional to 10,749.57, 16,121.48 and 2,956.53

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Solution

The fourth proportional to 10,749.57, 16,121.48 and 2,956.53 is: 4,434.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.57 : 16,121.48 = 2,956.53 : x
  2. Step 2: Convert to fraction form
    10,749.57/16,121.48 = 2,956.53/x
  3. Step 3: Cross multiply
    10,749.57x = 16,121.48 × 2,956.53
  4. Step 4: Simplify right side
    10,749.57x = 47,663,624.48
  5. Step 5: Solve for x
    x = 47,663,624.48/10,749.57
  6. Step 6: Final answer
    x = 4,434.00

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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.