Home / 12,051.44-18,074.28-3,287.06

Finding the Fourth Proportional to 12,051.44, 18,074.28 and 3,287.06

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Solution

The fourth proportional to 12,051.44, 18,074.28 and 3,287.06 is: 4,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.44 : 18,074.28 = 3,287.06 : x
  2. Step 2: Convert to fraction form
    12,051.44/18,074.28 = 3,287.06/x
  3. Step 3: Cross multiply
    12,051.44x = 18,074.28 × 3,287.06
  4. Step 4: Simplify right side
    12,051.44x = 59,411,242.82
  5. Step 5: Solve for x
    x = 59,411,242.82/12,051.44
  6. Step 6: Final answer
    x = 4,929.80

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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.