Home / 9,231.83-12,739.92-5,040.08

Finding the Fourth Proportional to 9,231.83, 12,739.92 and 5,040.08

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Solution

The fourth proportional to 9,231.83, 12,739.92 and 5,040.08 is: 6,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.83 : 12,739.92 = 5,040.08 : x
  2. Step 2: Convert to fraction form
    9,231.83/12,739.92 = 5,040.08/x
  3. Step 3: Cross multiply
    9,231.83x = 12,739.92 × 5,040.08
  4. Step 4: Simplify right side
    9,231.83x = 64,210,215.99
  5. Step 5: Solve for x
    x = 64,210,215.99/9,231.83
  6. Step 6: Final answer
    x = 6,955.31

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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.