Home / 12,263.84-18,379.60-4,864.26

Finding the Fourth Proportional to 12,263.84, 18,379.60 and 4,864.26

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Solution

The fourth proportional to 12,263.84, 18,379.60 and 4,864.26 is: 7,289.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.84 : 18,379.60 = 4,864.26 : x
  2. Step 2: Convert to fraction form
    12,263.84/18,379.60 = 4,864.26/x
  3. Step 3: Cross multiply
    12,263.84x = 18,379.60 × 4,864.26
  4. Step 4: Simplify right side
    12,263.84x = 89,403,153.10
  5. Step 5: Solve for x
    x = 89,403,153.10/12,263.84
  6. Step 6: Final answer
    x = 7,289.98

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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.