Home / 7,867.98-11,802.26-2,603.12

Finding the Fourth Proportional to 7,867.98, 11,802.26 and 2,603.12

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Solution

The fourth proportional to 7,867.98, 11,802.26 and 2,603.12 is: 3,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.98 : 11,802.26 = 2,603.12 : x
  2. Step 2: Convert to fraction form
    7,867.98/11,802.26 = 2,603.12/x
  3. Step 3: Cross multiply
    7,867.98x = 11,802.26 × 2,603.12
  4. Step 4: Simplify right side
    7,867.98x = 30,722,627.02
  5. Step 5: Solve for x
    x = 30,722,627.02/7,867.98
  6. Step 6: Final answer
    x = 3,904.77

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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.