Home / 12,664.12-18,984.56-4,867.06

Finding the Fourth Proportional to 12,664.12, 18,984.56 and 4,867.06

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Solution

The fourth proportional to 12,664.12, 18,984.56 and 4,867.06 is: 7,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.12 : 18,984.56 = 4,867.06 : x
  2. Step 2: Convert to fraction form
    12,664.12/18,984.56 = 4,867.06/x
  3. Step 3: Cross multiply
    12,664.12x = 18,984.56 × 4,867.06
  4. Step 4: Simplify right side
    12,664.12x = 92,398,897.67
  5. Step 5: Solve for x
    x = 92,398,897.67/12,664.12
  6. Step 6: Final answer
    x = 7,296.12

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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.