Home / 11,243.51-15,515.62-6,207.62

Finding the Fourth Proportional to 11,243.51, 15,515.62 and 6,207.62

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Solution

The fourth proportional to 11,243.51, 15,515.62 and 6,207.62 is: 8,566.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.51 : 15,515.62 = 6,207.62 : x
  2. Step 2: Convert to fraction form
    11,243.51/15,515.62 = 6,207.62/x
  3. Step 3: Cross multiply
    11,243.51x = 15,515.62 × 6,207.62
  4. Step 4: Simplify right side
    11,243.51x = 96,314,964.41
  5. Step 5: Solve for x
    x = 96,314,964.41/11,243.51
  6. Step 6: Final answer
    x = 8,566.28

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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.