Home / 9,763.86-13,473.82-5,515.08

Finding the Fourth Proportional to 9,763.86, 13,473.82 and 5,515.08

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Solution

The fourth proportional to 9,763.86, 13,473.82 and 5,515.08 is: 7,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,763.86 : 13,473.82 = 5,515.08 : x
  2. Step 2: Convert to fraction form
    9,763.86/13,473.82 = 5,515.08/x
  3. Step 3: Cross multiply
    9,763.86x = 13,473.82 × 5,515.08
  4. Step 4: Simplify right side
    9,763.86x = 74,309,195.21
  5. Step 5: Solve for x
    x = 74,309,195.21/9,763.86
  6. Step 6: Final answer
    x = 7,610.64

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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.