Home / 7,650.96-11,476.80-2,389.56

Finding the Fourth Proportional to 7,650.96, 11,476.80 and 2,389.56

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Solution

The fourth proportional to 7,650.96, 11,476.80 and 2,389.56 is: 3,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.96 : 11,476.80 = 2,389.56 : x
  2. Step 2: Convert to fraction form
    7,650.96/11,476.80 = 2,389.56/x
  3. Step 3: Cross multiply
    7,650.96x = 11,476.80 × 2,389.56
  4. Step 4: Simplify right side
    7,650.96x = 27,424,502.21
  5. Step 5: Solve for x
    x = 27,424,502.21/7,650.96
  6. Step 6: Final answer
    x = 3,584.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.