Home / 7,661.99-10,569.57-5,144.97

Finding the Fourth Proportional to 7,661.99, 10,569.57 and 5,144.97

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Solution

The fourth proportional to 7,661.99, 10,569.57 and 5,144.97 is: 7,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.99 : 10,569.57 = 5,144.97 : x
  2. Step 2: Convert to fraction form
    7,661.99/10,569.57 = 5,144.97/x
  3. Step 3: Cross multiply
    7,661.99x = 10,569.57 × 5,144.97
  4. Step 4: Simplify right side
    7,661.99x = 54,380,140.91
  5. Step 5: Solve for x
    x = 54,380,140.91/7,661.99
  6. Step 6: Final answer
    x = 7,097.40

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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.