Home / 9,231.08-12,738.84-5,039.32

Finding the Fourth Proportional to 9,231.08, 12,738.84 and 5,039.32

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Solution

The fourth proportional to 9,231.08, 12,738.84 and 5,039.32 is: 6,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.08 : 12,738.84 = 5,039.32 : x
  2. Step 2: Convert to fraction form
    9,231.08/12,738.84 = 5,039.32/x
  3. Step 3: Cross multiply
    9,231.08x = 12,738.84 × 5,039.32
  4. Step 4: Simplify right side
    9,231.08x = 64,195,091.19
  5. Step 5: Solve for x
    x = 64,195,091.19/9,231.08
  6. Step 6: Final answer
    x = 6,954.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.