Home / 7,766.21-10,718.43-4,622.06

Finding the Fourth Proportional to 7,766.21, 10,718.43 and 4,622.06

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Solution

The fourth proportional to 7,766.21, 10,718.43 and 4,622.06 is: 6,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.21 : 10,718.43 = 4,622.06 : x
  2. Step 2: Convert to fraction form
    7,766.21/10,718.43 = 4,622.06/x
  3. Step 3: Cross multiply
    7,766.21x = 10,718.43 × 4,622.06
  4. Step 4: Simplify right side
    7,766.21x = 49,541,236.03
  5. Step 5: Solve for x
    x = 49,541,236.03/7,766.21
  6. Step 6: Final answer
    x = 6,379.07

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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.