Home / 6,626.28-9,145.80-4,505.28

Finding the Fourth Proportional to 6,626.28, 9,145.80 and 4,505.28

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Solution

The fourth proportional to 6,626.28, 9,145.80 and 4,505.28 is: 6,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.28 : 9,145.80 = 4,505.28 : x
  2. Step 2: Convert to fraction form
    6,626.28/9,145.80 = 4,505.28/x
  3. Step 3: Cross multiply
    6,626.28x = 9,145.80 × 4,505.28
  4. Step 4: Simplify right side
    6,626.28x = 41,204,389.82
  5. Step 5: Solve for x
    x = 41,204,389.82/6,626.28
  6. Step 6: Final answer
    x = 6,218.33

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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.