Home / 11,303.96-16,955.94-3,512.78

Finding the Fourth Proportional to 11,303.96, 16,955.94 and 3,512.78

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Solution

The fourth proportional to 11,303.96, 16,955.94 and 3,512.78 is: 5,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303.96 : 16,955.94 = 3,512.78 : x
  2. Step 2: Convert to fraction form
    11,303.96/16,955.94 = 3,512.78/x
  3. Step 3: Cross multiply
    11,303.96x = 16,955.94 × 3,512.78
  4. Step 4: Simplify right side
    11,303.96x = 59,562,486.91
  5. Step 5: Solve for x
    x = 59,562,486.91/11,303.96
  6. Step 6: Final answer
    x = 5,269.17

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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.