Home / 8,315.48-11,474.92-4,958.22

Finding the Fourth Proportional to 8,315.48, 11,474.92 and 4,958.22

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Solution

The fourth proportional to 8,315.48, 11,474.92 and 4,958.22 is: 6,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.48 : 11,474.92 = 4,958.22 : x
  2. Step 2: Convert to fraction form
    8,315.48/11,474.92 = 4,958.22/x
  3. Step 3: Cross multiply
    8,315.48x = 11,474.92 × 4,958.22
  4. Step 4: Simplify right side
    8,315.48x = 56,895,177.84
  5. Step 5: Solve for x
    x = 56,895,177.84/8,315.48
  6. Step 6: Final answer
    x = 6,842.08

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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.