Home / 9,834.28-13,571.22-5,642.56

Finding the Fourth Proportional to 9,834.28, 13,571.22 and 5,642.56

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Solution

The fourth proportional to 9,834.28, 13,571.22 and 5,642.56 is: 7,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,834.28 : 13,571.22 = 5,642.56 : x
  2. Step 2: Convert to fraction form
    9,834.28/13,571.22 = 5,642.56/x
  3. Step 3: Cross multiply
    9,834.28x = 13,571.22 × 5,642.56
  4. Step 4: Simplify right side
    9,834.28x = 76,576,423.12
  5. Step 5: Solve for x
    x = 76,576,423.12/9,834.28
  6. Step 6: Final answer
    x = 7,786.68

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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.