Home / 12,055.08-18,082.74-5,813.64

Finding the Fourth Proportional to 12,055.08, 18,082.74 and 5,813.64

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Solution

The fourth proportional to 12,055.08, 18,082.74 and 5,813.64 is: 8,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.08 : 18,082.74 = 5,813.64 : x
  2. Step 2: Convert to fraction form
    12,055.08/18,082.74 = 5,813.64/x
  3. Step 3: Cross multiply
    12,055.08x = 18,082.74 × 5,813.64
  4. Step 4: Simplify right side
    12,055.08x = 105,126,540.57
  5. Step 5: Solve for x
    x = 105,126,540.57/12,055.08
  6. Step 6: Final answer
    x = 8,720.52

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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.