Home / 6,765.09-9,318.47-4,772.15

Finding the Fourth Proportional to 6,765.09, 9,318.47 and 4,772.15

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Solution

The fourth proportional to 6,765.09, 9,318.47 and 4,772.15 is: 6,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.09 : 9,318.47 = 4,772.15 : x
  2. Step 2: Convert to fraction form
    6,765.09/9,318.47 = 4,772.15/x
  3. Step 3: Cross multiply
    6,765.09x = 9,318.47 × 4,772.15
  4. Step 4: Simplify right side
    6,765.09x = 44,469,066.16
  5. Step 5: Solve for x
    x = 44,469,066.16/6,765.09
  6. Step 6: Final answer
    x = 6,573.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.