Home / 9,628.74-13,289.88-5,651.13

Finding the Fourth Proportional to 9,628.74, 13,289.88 and 5,651.13

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Solution

The fourth proportional to 9,628.74, 13,289.88 and 5,651.13 is: 7,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.74 : 13,289.88 = 5,651.13 : x
  2. Step 2: Convert to fraction form
    9,628.74/13,289.88 = 5,651.13/x
  3. Step 3: Cross multiply
    9,628.74x = 13,289.88 × 5,651.13
  4. Step 4: Simplify right side
    9,628.74x = 75,102,839.56
  5. Step 5: Solve for x
    x = 75,102,839.56/9,628.74
  6. Step 6: Final answer
    x = 7,799.86

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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.