Home / 6,246.80-8,611.72-4,455.16

Finding the Fourth Proportional to 6,246.80, 8,611.72 and 4,455.16

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Solution

The fourth proportional to 6,246.80, 8,611.72 and 4,455.16 is: 6,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.80 : 8,611.72 = 4,455.16 : x
  2. Step 2: Convert to fraction form
    6,246.80/8,611.72 = 4,455.16/x
  3. Step 3: Cross multiply
    6,246.80x = 8,611.72 × 4,455.16
  4. Step 4: Simplify right side
    6,246.80x = 38,366,590.48
  5. Step 5: Solve for x
    x = 38,366,590.48/6,246.80
  6. Step 6: Final answer
    x = 6,141.80

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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.