Home / 6,619.79-9,922.77-4,862.18

Finding the Fourth Proportional to 6,619.79, 9,922.77 and 4,862.18

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Solution

The fourth proportional to 6,619.79, 9,922.77 and 4,862.18 is: 7,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.79 : 9,922.77 = 4,862.18 : x
  2. Step 2: Convert to fraction form
    6,619.79/9,922.77 = 4,862.18/x
  3. Step 3: Cross multiply
    6,619.79x = 9,922.77 × 4,862.18
  4. Step 4: Simplify right side
    6,619.79x = 48,246,318.65
  5. Step 5: Solve for x
    x = 48,246,318.65/6,619.79
  6. Step 6: Final answer
    x = 7,288.19

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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.