Home / 11,653.12-17,451.60-7,265.08

Finding the Fourth Proportional to 11,653.12, 17,451.60 and 7,265.08

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Solution

The fourth proportional to 11,653.12, 17,451.60 and 7,265.08 is: 10,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.12 : 17,451.60 = 7,265.08 : x
  2. Step 2: Convert to fraction form
    11,653.12/17,451.60 = 7,265.08/x
  3. Step 3: Cross multiply
    11,653.12x = 17,451.60 × 7,265.08
  4. Step 4: Simplify right side
    11,653.12x = 126,787,270.13
  5. Step 5: Solve for x
    x = 126,787,270.13/11,653.12
  6. Step 6: Final answer
    x = 10,880.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.