Home / 6,505.40-9,767.70-5,046.20

Finding the Fourth Proportional to 6,505.40, 9,767.70 and 5,046.20

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Solution

The fourth proportional to 6,505.40, 9,767.70 and 5,046.20 is: 7,576.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.40 : 9,767.70 = 5,046.20 : x
  2. Step 2: Convert to fraction form
    6,505.40/9,767.70 = 5,046.20/x
  3. Step 3: Cross multiply
    6,505.40x = 9,767.70 × 5,046.20
  4. Step 4: Simplify right side
    6,505.40x = 49,289,767.74
  5. Step 5: Solve for x
    x = 49,289,767.74/6,505.40
  6. Step 6: Final answer
    x = 7,576.75

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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.