Home / 9,919.26-13,686.30-5,941.08

Finding the Fourth Proportional to 9,919.26, 13,686.30 and 5,941.08

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Solution

The fourth proportional to 9,919.26, 13,686.30 and 5,941.08 is: 8,197.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.26 : 13,686.30 = 5,941.08 : x
  2. Step 2: Convert to fraction form
    9,919.26/13,686.30 = 5,941.08/x
  3. Step 3: Cross multiply
    9,919.26x = 13,686.30 × 5,941.08
  4. Step 4: Simplify right side
    9,919.26x = 81,311,403.20
  5. Step 5: Solve for x
    x = 81,311,403.20/9,919.26
  6. Step 6: Final answer
    x = 8,197.33

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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.