Home / 7,718.22-11,577.06-5,371.47

Finding the Fourth Proportional to 7,718.22, 11,577.06 and 5,371.47

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Solution

The fourth proportional to 7,718.22, 11,577.06 and 5,371.47 is: 8,057.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.22 : 11,577.06 = 5,371.47 : x
  2. Step 2: Convert to fraction form
    7,718.22/11,577.06 = 5,371.47/x
  3. Step 3: Cross multiply
    7,718.22x = 11,577.06 × 5,371.47
  4. Step 4: Simplify right side
    7,718.22x = 62,185,830.48
  5. Step 5: Solve for x
    x = 62,185,830.48/7,718.22
  6. Step 6: Final answer
    x = 8,057.02

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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.