Home / 10,020.93-13,822.84-6,617.96

Finding the Fourth Proportional to 10,020.93, 13,822.84 and 6,617.96

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Solution

The fourth proportional to 10,020.93, 13,822.84 and 6,617.96 is: 9,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.93 : 13,822.84 = 6,617.96 : x
  2. Step 2: Convert to fraction form
    10,020.93/13,822.84 = 6,617.96/x
  3. Step 3: Cross multiply
    10,020.93x = 13,822.84 × 6,617.96
  4. Step 4: Simplify right side
    10,020.93x = 91,479,002.21
  5. Step 5: Solve for x
    x = 91,479,002.21/10,020.93
  6. Step 6: Final answer
    x = 9,128.79

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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.