Home / 9,519.54-13,137.57-5,329.14

Finding the Fourth Proportional to 9,519.54, 13,137.57 and 5,329.14

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Solution

The fourth proportional to 9,519.54, 13,137.57 and 5,329.14 is: 7,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.54 : 13,137.57 = 5,329.14 : x
  2. Step 2: Convert to fraction form
    9,519.54/13,137.57 = 5,329.14/x
  3. Step 3: Cross multiply
    9,519.54x = 13,137.57 × 5,329.14
  4. Step 4: Simplify right side
    9,519.54x = 70,011,949.79
  5. Step 5: Solve for x
    x = 70,011,949.79/9,519.54
  6. Step 6: Final answer
    x = 7,354.55

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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.