Home / 12,036.31-18,054.51-3,271.22

Finding the Fourth Proportional to 12,036.31, 18,054.51 and 3,271.22

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Solution

The fourth proportional to 12,036.31, 18,054.51 and 3,271.22 is: 4,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.31 : 18,054.51 = 3,271.22 : x
  2. Step 2: Convert to fraction form
    12,036.31/18,054.51 = 3,271.22/x
  3. Step 3: Cross multiply
    12,036.31x = 18,054.51 × 3,271.22
  4. Step 4: Simplify right side
    12,036.31x = 59,060,359.32
  5. Step 5: Solve for x
    x = 59,060,359.32/12,036.31
  6. Step 6: Final answer
    x = 4,906.85

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1.5x scale

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.