Home / 7,961.23-10,986.87-4,424.50

Finding the Fourth Proportional to 7,961.23, 10,986.87 and 4,424.50

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Solution

The fourth proportional to 7,961.23, 10,986.87 and 4,424.50 is: 6,106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.23 : 10,986.87 = 4,424.50 : x
  2. Step 2: Convert to fraction form
    7,961.23/10,986.87 = 4,424.50/x
  3. Step 3: Cross multiply
    7,961.23x = 10,986.87 × 4,424.50
  4. Step 4: Simplify right side
    7,961.23x = 48,611,406.32
  5. Step 5: Solve for x
    x = 48,611,406.32/7,961.23
  6. Step 6: Final answer
    x = 6,106.02

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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.