Home / 12,038.08-18,054.56-3,271.04

Finding the Fourth Proportional to 12,038.08, 18,054.56 and 3,271.04

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Solution

The fourth proportional to 12,038.08, 18,054.56 and 3,271.04 is: 4,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.08 : 18,054.56 = 3,271.04 : x
  2. Step 2: Convert to fraction form
    12,038.08/18,054.56 = 3,271.04/x
  3. Step 3: Cross multiply
    12,038.08x = 18,054.56 × 3,271.04
  4. Step 4: Simplify right side
    12,038.08x = 59,057,187.94
  5. Step 5: Solve for x
    x = 59,057,187.94/12,038.08
  6. Step 6: Final answer
    x = 4,905.86

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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.