Home / 9,231.02-12,738.80-5,039.27

Finding the Fourth Proportional to 9,231.02, 12,738.80 and 5,039.27

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Solution

The fourth proportional to 9,231.02, 12,738.80 and 5,039.27 is: 6,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.02 : 12,738.80 = 5,039.27 : x
  2. Step 2: Convert to fraction form
    9,231.02/12,738.80 = 5,039.27/x
  3. Step 3: Cross multiply
    9,231.02x = 12,738.80 × 5,039.27
  4. Step 4: Simplify right side
    9,231.02x = 64,194,249.35
  5. Step 5: Solve for x
    x = 64,194,249.35/9,231.02
  6. Step 6: Final answer
    x = 6,954.19

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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.