Home / 12,837.08-19,255.65-3,477.16

Finding the Fourth Proportional to 12,837.08, 19,255.65 and 3,477.16

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Solution

The fourth proportional to 12,837.08, 19,255.65 and 3,477.16 is: 5,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.08 : 19,255.65 = 3,477.16 : x
  2. Step 2: Convert to fraction form
    12,837.08/19,255.65 = 3,477.16/x
  3. Step 3: Cross multiply
    12,837.08x = 19,255.65 × 3,477.16
  4. Step 4: Simplify right side
    12,837.08x = 66,954,879.68
  5. Step 5: Solve for x
    x = 66,954,879.68/12,837.08
  6. Step 6: Final answer
    x = 5,215.74

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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.