Home / 11,303.12-16,949.21-3,904.99

Finding the Fourth Proportional to 11,303.12, 16,949.21 and 3,904.99

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Solution

The fourth proportional to 11,303.12, 16,949.21 and 3,904.99 is: 5,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303.12 : 16,949.21 = 3,904.99 : x
  2. Step 2: Convert to fraction form
    11,303.12/16,949.21 = 3,904.99/x
  3. Step 3: Cross multiply
    11,303.12x = 16,949.21 × 3,904.99
  4. Step 4: Simplify right side
    11,303.12x = 66,186,410.81
  5. Step 5: Solve for x
    x = 66,186,410.81/11,303.12
  6. Step 6: Final answer
    x = 5,855.59

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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.