Home / 9,660.14-13,333.44-5,470.82

Finding the Fourth Proportional to 9,660.14, 13,333.44 and 5,470.82

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Solution

The fourth proportional to 9,660.14, 13,333.44 and 5,470.82 is: 7,551.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.14 : 13,333.44 = 5,470.82 : x
  2. Step 2: Convert to fraction form
    9,660.14/13,333.44 = 5,470.82/x
  3. Step 3: Cross multiply
    9,660.14x = 13,333.44 × 5,470.82
  4. Step 4: Simplify right side
    9,660.14x = 72,944,850.22
  5. Step 5: Solve for x
    x = 72,944,850.22/9,660.14
  6. Step 6: Final answer
    x = 7,551.12

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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.