Home / 11,007.52-15,185.04-7,284.64

Finding the Fourth Proportional to 11,007.52, 15,185.04 and 7,284.64

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Solution

The fourth proportional to 11,007.52, 15,185.04 and 7,284.64 is: 10,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.52 : 15,185.04 = 7,284.64 : x
  2. Step 2: Convert to fraction form
    11,007.52/15,185.04 = 7,284.64/x
  3. Step 3: Cross multiply
    11,007.52x = 15,185.04 × 7,284.64
  4. Step 4: Simplify right side
    11,007.52x = 110,617,549.79
  5. Step 5: Solve for x
    x = 110,617,549.79/11,007.52
  6. Step 6: Final answer
    x = 10,049.27

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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.