Home / 8,578.26-11,837.52-5,040.18

Finding the Fourth Proportional to 8,578.26, 11,837.52 and 5,040.18

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Solution

The fourth proportional to 8,578.26, 11,837.52 and 5,040.18 is: 6,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.26 : 11,837.52 = 5,040.18 : x
  2. Step 2: Convert to fraction form
    8,578.26/11,837.52 = 5,040.18/x
  3. Step 3: Cross multiply
    8,578.26x = 11,837.52 × 5,040.18
  4. Step 4: Simplify right side
    8,578.26x = 59,663,231.55
  5. Step 5: Solve for x
    x = 59,663,231.55/8,578.26
  6. Step 6: Final answer
    x = 6,955.17

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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.