Home / 7,690.01-11,540.48-4,187.16

Finding the Fourth Proportional to 7,690.01, 11,540.48 and 4,187.16

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Solution

The fourth proportional to 7,690.01, 11,540.48 and 4,187.16 is: 6,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.01 : 11,540.48 = 4,187.16 : x
  2. Step 2: Convert to fraction form
    7,690.01/11,540.48 = 4,187.16/x
  3. Step 3: Cross multiply
    7,690.01x = 11,540.48 × 4,187.16
  4. Step 4: Simplify right side
    7,690.01x = 48,321,815.30
  5. Step 5: Solve for x
    x = 48,321,815.30/7,690.01
  6. Step 6: Final answer
    x = 6,283.72

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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.