Home / 12,051.75-18,075.19-3,285.52

Finding the Fourth Proportional to 12,051.75, 18,075.19 and 3,285.52

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Solution

The fourth proportional to 12,051.75, 18,075.19 and 3,285.52 is: 4,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.75 : 18,075.19 = 3,285.52 : x
  2. Step 2: Convert to fraction form
    12,051.75/18,075.19 = 3,285.52/x
  3. Step 3: Cross multiply
    12,051.75x = 18,075.19 × 3,285.52
  4. Step 4: Simplify right side
    12,051.75x = 59,386,398.25
  5. Step 5: Solve for x
    x = 59,386,398.25/12,051.75
  6. Step 6: Final answer
    x = 4,927.62

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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.