Home / 11,611.40-16,023.52-6,306.16

Finding the Fourth Proportional to 11,611.40, 16,023.52 and 6,306.16

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Solution

The fourth proportional to 11,611.40, 16,023.52 and 6,306.16 is: 8,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.40 : 16,023.52 = 6,306.16 : x
  2. Step 2: Convert to fraction form
    11,611.40/16,023.52 = 6,306.16/x
  3. Step 3: Cross multiply
    11,611.40x = 16,023.52 × 6,306.16
  4. Step 4: Simplify right side
    11,611.40x = 101,046,880.88
  5. Step 5: Solve for x
    x = 101,046,880.88/11,611.40
  6. Step 6: Final answer
    x = 8,702.39

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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.