Home / 9,011.11-12,435.21-5,236.41

Finding the Fourth Proportional to 9,011.11, 12,435.21 and 5,236.41

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Solution

The fourth proportional to 9,011.11, 12,435.21 and 5,236.41 is: 7,226.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.11 : 12,435.21 = 5,236.41 : x
  2. Step 2: Convert to fraction form
    9,011.11/12,435.21 = 5,236.41/x
  3. Step 3: Cross multiply
    9,011.11x = 12,435.21 × 5,236.41
  4. Step 4: Simplify right side
    9,011.11x = 65,115,858.00
  5. Step 5: Solve for x
    x = 65,115,858.00/9,011.11
  6. Step 6: Final answer
    x = 7,226.17

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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.