Home / 9,579.24-13,218.57-5,329.98

Finding the Fourth Proportional to 9,579.24, 13,218.57 and 5,329.98

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Solution

The fourth proportional to 9,579.24, 13,218.57 and 5,329.98 is: 7,354.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.24 : 13,218.57 = 5,329.98 : x
  2. Step 2: Convert to fraction form
    9,579.24/13,218.57 = 5,329.98/x
  3. Step 3: Cross multiply
    9,579.24x = 13,218.57 × 5,329.98
  4. Step 4: Simplify right side
    9,579.24x = 70,454,713.73
  5. Step 5: Solve for x
    x = 70,454,713.73/9,579.24
  6. Step 6: Final answer
    x = 7,354.94

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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.