Home / 8,106.49-11,181.40-4,964.23

Finding the Fourth Proportional to 8,106.49, 11,181.40 and 4,964.23

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Solution

The fourth proportional to 8,106.49, 11,181.40 and 4,964.23 is: 6,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.49 : 11,181.40 = 4,964.23 : x
  2. Step 2: Convert to fraction form
    8,106.49/11,181.40 = 4,964.23/x
  3. Step 3: Cross multiply
    8,106.49x = 11,181.40 × 4,964.23
  4. Step 4: Simplify right side
    8,106.49x = 55,507,041.32
  5. Step 5: Solve for x
    x = 55,507,041.32/8,106.49
  6. Step 6: Final answer
    x = 6,847.23

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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.