Home / 12,316.19-18,473.87-3,551.99

Finding the Fourth Proportional to 12,316.19, 18,473.87 and 3,551.99

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Solution

The fourth proportional to 12,316.19, 18,473.87 and 3,551.99 is: 5,327.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.19 : 18,473.87 = 3,551.99 : x
  2. Step 2: Convert to fraction form
    12,316.19/18,473.87 = 3,551.99/x
  3. Step 3: Cross multiply
    12,316.19x = 18,473.87 × 3,551.99
  4. Step 4: Simplify right side
    12,316.19x = 65,618,918.01
  5. Step 5: Solve for x
    x = 65,618,918.01/12,316.19
  6. Step 6: Final answer
    x = 5,327.86

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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.