Home / 10,097.99-13,935.20-5,621.64

Finding the Fourth Proportional to 10,097.99, 13,935.20 and 5,621.64

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Solution

The fourth proportional to 10,097.99, 13,935.20 and 5,621.64 is: 7,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.99 : 13,935.20 = 5,621.64 : x
  2. Step 2: Convert to fraction form
    10,097.99/13,935.20 = 5,621.64/x
  3. Step 3: Cross multiply
    10,097.99x = 13,935.20 × 5,621.64
  4. Step 4: Simplify right side
    10,097.99x = 78,338,649.62
  5. Step 5: Solve for x
    x = 78,338,649.62/10,097.99
  6. Step 6: Final answer
    x = 7,757.85

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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.