Home / 7,976.91-11,961.35-4,646.22

Finding the Fourth Proportional to 7,976.91, 11,961.35 and 4,646.22

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Solution

The fourth proportional to 7,976.91, 11,961.35 and 4,646.22 is: 6,966.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.91 : 11,961.35 = 4,646.22 : x
  2. Step 2: Convert to fraction form
    7,976.91/11,961.35 = 4,646.22/x
  3. Step 3: Cross multiply
    7,976.91x = 11,961.35 × 4,646.22
  4. Step 4: Simplify right side
    7,976.91x = 55,575,040.37
  5. Step 5: Solve for x
    x = 55,575,040.37/7,976.91
  6. Step 6: Final answer
    x = 6,966.99

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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.