Home / 11,681.32-17,523.96-5,107.36

Finding the Fourth Proportional to 11,681.32, 17,523.96 and 5,107.36

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Solution

The fourth proportional to 11,681.32, 17,523.96 and 5,107.36 is: 7,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681.32 : 17,523.96 = 5,107.36 : x
  2. Step 2: Convert to fraction form
    11,681.32/17,523.96 = 5,107.36/x
  3. Step 3: Cross multiply
    11,681.32x = 17,523.96 × 5,107.36
  4. Step 4: Simplify right side
    11,681.32x = 89,501,172.35
  5. Step 5: Solve for x
    x = 89,501,172.35/11,681.32
  6. Step 6: Final answer
    x = 7,661.91

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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.