Home / 10,097.79-13,935.14-5,621.73

Finding the Fourth Proportional to 10,097.79, 13,935.14 and 5,621.73

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Solution

The fourth proportional to 10,097.79, 13,935.14 and 5,621.73 is: 7,758.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.79 : 13,935.14 = 5,621.73 : x
  2. Step 2: Convert to fraction form
    10,097.79/13,935.14 = 5,621.73/x
  3. Step 3: Cross multiply
    10,097.79x = 13,935.14 × 5,621.73
  4. Step 4: Simplify right side
    10,097.79x = 78,339,496.81
  5. Step 5: Solve for x
    x = 78,339,496.81/10,097.79
  6. Step 6: Final answer
    x = 7,758.09

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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.