Home / 7,825.24-11,738.40-2,894.77

Finding the Fourth Proportional to 7,825.24, 11,738.40 and 2,894.77

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Solution

The fourth proportional to 7,825.24, 11,738.40 and 2,894.77 is: 4,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.24 : 11,738.40 = 2,894.77 : x
  2. Step 2: Convert to fraction form
    7,825.24/11,738.40 = 2,894.77/x
  3. Step 3: Cross multiply
    7,825.24x = 11,738.40 × 2,894.77
  4. Step 4: Simplify right side
    7,825.24x = 33,979,968.17
  5. Step 5: Solve for x
    x = 33,979,968.17/7,825.24
  6. Step 6: Final answer
    x = 4,342.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.