Home / 11,411.46-17,117.28-4,485.96

Finding the Fourth Proportional to 11,411.46, 17,117.28 and 4,485.96

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Solution

The fourth proportional to 11,411.46, 17,117.28 and 4,485.96 is: 6,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411.46 : 17,117.28 = 4,485.96 : x
  2. Step 2: Convert to fraction form
    11,411.46/17,117.28 = 4,485.96/x
  3. Step 3: Cross multiply
    11,411.46x = 17,117.28 × 4,485.96
  4. Step 4: Simplify right side
    11,411.46x = 76,787,433.39
  5. Step 5: Solve for x
    x = 76,787,433.39/11,411.46
  6. Step 6: Final answer
    x = 6,728.98

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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.