Home / 12,036.64-18,052.36-3,271.64

Finding the Fourth Proportional to 12,036.64, 18,052.36 and 3,271.64

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Solution

The fourth proportional to 12,036.64, 18,052.36 and 3,271.64 is: 4,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.64 : 18,052.36 = 3,271.64 : x
  2. Step 2: Convert to fraction form
    12,036.64/18,052.36 = 3,271.64/x
  3. Step 3: Cross multiply
    12,036.64x = 18,052.36 × 3,271.64
  4. Step 4: Simplify right side
    12,036.64x = 59,060,823.07
  5. Step 5: Solve for x
    x = 59,060,823.07/12,036.64
  6. Step 6: Final answer
    x = 4,906.75

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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.