Home / 12,242.37-18,360.82-4,848.49

Finding the Fourth Proportional to 12,242.37, 18,360.82 and 4,848.49

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Solution

The fourth proportional to 12,242.37, 18,360.82 and 4,848.49 is: 7,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.37 : 18,360.82 = 4,848.49 : x
  2. Step 2: Convert to fraction form
    12,242.37/18,360.82 = 4,848.49/x
  3. Step 3: Cross multiply
    12,242.37x = 18,360.82 × 4,848.49
  4. Step 4: Simplify right side
    12,242.37x = 89,022,252.16
  5. Step 5: Solve for x
    x = 89,022,252.16/12,242.37
  6. Step 6: Final answer
    x = 7,271.65

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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.