Home / 6,760.70-10,130.60-5,276.40

Finding the Fourth Proportional to 6,760.70, 10,130.60 and 5,276.40

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Solution

The fourth proportional to 6,760.70, 10,130.60 and 5,276.40 is: 7,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,760.70 : 10,130.60 = 5,276.40 : x
  2. Step 2: Convert to fraction form
    6,760.70/10,130.60 = 5,276.40/x
  3. Step 3: Cross multiply
    6,760.70x = 10,130.60 × 5,276.40
  4. Step 4: Simplify right side
    6,760.70x = 53,453,109.98
  5. Step 5: Solve for x
    x = 53,453,109.98/6,760.70
  6. Step 6: Final answer
    x = 7,906.45

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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.