Home / 7,981.26-11,014.02-4,623.84

Finding the Fourth Proportional to 7,981.26, 11,014.02 and 4,623.84

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Solution

The fourth proportional to 7,981.26, 11,014.02 and 4,623.84 is: 6,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.26 : 11,014.02 = 4,623.84 : x
  2. Step 2: Convert to fraction form
    7,981.26/11,014.02 = 4,623.84/x
  3. Step 3: Cross multiply
    7,981.26x = 11,014.02 × 4,623.84
  4. Step 4: Simplify right side
    7,981.26x = 50,927,066.24
  5. Step 5: Solve for x
    x = 50,927,066.24/7,981.26
  6. Step 6: Final answer
    x = 6,380.83

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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.