Home / 7,410.36-11,113.92-2,215.02

Finding the Fourth Proportional to 7,410.36, 11,113.92 and 2,215.02

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Solution

The fourth proportional to 7,410.36, 11,113.92 and 2,215.02 is: 3,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.36 : 11,113.92 = 2,215.02 : x
  2. Step 2: Convert to fraction form
    7,410.36/11,113.92 = 2,215.02/x
  3. Step 3: Cross multiply
    7,410.36x = 11,113.92 × 2,215.02
  4. Step 4: Simplify right side
    7,410.36x = 24,617,555.08
  5. Step 5: Solve for x
    x = 24,617,555.08/7,410.36
  6. Step 6: Final answer
    x = 3,322.05

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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.