Home / 7,961.94-10,987.26-4,425.06

Finding the Fourth Proportional to 7,961.94, 10,987.26 and 4,425.06

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Solution

The fourth proportional to 7,961.94, 10,987.26 and 4,425.06 is: 6,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.94 : 10,987.26 = 4,425.06 : x
  2. Step 2: Convert to fraction form
    7,961.94/10,987.26 = 4,425.06/x
  3. Step 3: Cross multiply
    7,961.94x = 10,987.26 × 4,425.06
  4. Step 4: Simplify right side
    7,961.94x = 48,619,284.74
  5. Step 5: Solve for x
    x = 48,619,284.74/7,961.94
  6. Step 6: Final answer
    x = 6,106.46

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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.