Home / 9,763.75-13,473.43-5,515.68

Finding the Fourth Proportional to 9,763.75, 13,473.43 and 5,515.68

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Solution

The fourth proportional to 9,763.75, 13,473.43 and 5,515.68 is: 7,611.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,763.75 : 13,473.43 = 5,515.68 : x
  2. Step 2: Convert to fraction form
    9,763.75/13,473.43 = 5,515.68/x
  3. Step 3: Cross multiply
    9,763.75x = 13,473.43 × 5,515.68
  4. Step 4: Simplify right side
    9,763.75x = 74,315,114.59
  5. Step 5: Solve for x
    x = 74,315,114.59/9,763.75
  6. Step 6: Final answer
    x = 7,611.33

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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.