Home / 11,611.48-16,023.96-6,306.40

Finding the Fourth Proportional to 11,611.48, 16,023.96 and 6,306.40

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Solution

The fourth proportional to 11,611.48, 16,023.96 and 6,306.40 is: 8,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.48 : 16,023.96 = 6,306.40 : x
  2. Step 2: Convert to fraction form
    11,611.48/16,023.96 = 6,306.40/x
  3. Step 3: Cross multiply
    11,611.48x = 16,023.96 × 6,306.40
  4. Step 4: Simplify right side
    11,611.48x = 101,053,501.34
  5. Step 5: Solve for x
    x = 101,053,501.34/11,611.48
  6. Step 6: Final answer
    x = 8,702.90

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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.