Home / 6,974.16-10,449.36-3,856.32

Finding the Fourth Proportional to 6,974.16, 10,449.36 and 3,856.32

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Solution

The fourth proportional to 6,974.16, 10,449.36 and 3,856.32 is: 5,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.16 : 10,449.36 = 3,856.32 : x
  2. Step 2: Convert to fraction form
    6,974.16/10,449.36 = 3,856.32/x
  3. Step 3: Cross multiply
    6,974.16x = 10,449.36 × 3,856.32
  4. Step 4: Simplify right side
    6,974.16x = 40,296,075.96
  5. Step 5: Solve for x
    x = 40,296,075.96/6,974.16
  6. Step 6: Final answer
    x = 5,777.91

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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.