Home / 12,496.17-18,738.75-4,699.50

Finding the Fourth Proportional to 12,496.17, 18,738.75 and 4,699.50

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Solution

The fourth proportional to 12,496.17, 18,738.75 and 4,699.50 is: 7,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.17 : 18,738.75 = 4,699.50 : x
  2. Step 2: Convert to fraction form
    12,496.17/18,738.75 = 4,699.50/x
  3. Step 3: Cross multiply
    12,496.17x = 18,738.75 × 4,699.50
  4. Step 4: Simplify right side
    12,496.17x = 88,062,755.63
  5. Step 5: Solve for x
    x = 88,062,755.63/12,496.17
  6. Step 6: Final answer
    x = 7,047.18

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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.