Home / 9,749.80-14,616.60-5,132.80

Finding the Fourth Proportional to 9,749.80, 14,616.60 and 5,132.80

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Solution

The fourth proportional to 9,749.80, 14,616.60 and 5,132.80 is: 7,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749.80 : 14,616.60 = 5,132.80 : x
  2. Step 2: Convert to fraction form
    9,749.80/14,616.60 = 5,132.80/x
  3. Step 3: Cross multiply
    9,749.80x = 14,616.60 × 5,132.80
  4. Step 4: Simplify right side
    9,749.80x = 75,024,084.48
  5. Step 5: Solve for x
    x = 75,024,084.48/9,749.80
  6. Step 6: Final answer
    x = 7,694.94

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1.5x scale

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.