Home / 8,436.48-11,643.04-4,659.99

Finding the Fourth Proportional to 8,436.48, 11,643.04 and 4,659.99

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Solution

The fourth proportional to 8,436.48, 11,643.04 and 4,659.99 is: 6,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.48 : 11,643.04 = 4,659.99 : x
  2. Step 2: Convert to fraction form
    8,436.48/11,643.04 = 4,659.99/x
  3. Step 3: Cross multiply
    8,436.48x = 11,643.04 × 4,659.99
  4. Step 4: Simplify right side
    8,436.48x = 54,256,449.97
  5. Step 5: Solve for x
    x = 54,256,449.97/8,436.48
  6. Step 6: Final answer
    x = 6,431.17

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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.