Home / 9,724.64-13,419.87-5,476.12

Finding the Fourth Proportional to 9,724.64, 13,419.87 and 5,476.12

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Solution

The fourth proportional to 9,724.64, 13,419.87 and 5,476.12 is: 7,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,724.64 : 13,419.87 = 5,476.12 : x
  2. Step 2: Convert to fraction form
    9,724.64/13,419.87 = 5,476.12/x
  3. Step 3: Cross multiply
    9,724.64x = 13,419.87 × 5,476.12
  4. Step 4: Simplify right side
    9,724.64x = 73,488,798.65
  5. Step 5: Solve for x
    x = 73,488,798.65/9,724.64
  6. Step 6: Final answer
    x = 7,556.97

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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.