Home / 11,023.80-15,212.58-6,307.77

Finding the Fourth Proportional to 11,023.80, 15,212.58 and 6,307.77

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Solution

The fourth proportional to 11,023.80, 15,212.58 and 6,307.77 is: 8,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.80 : 15,212.58 = 6,307.77 : x
  2. Step 2: Convert to fraction form
    11,023.80/15,212.58 = 6,307.77/x
  3. Step 3: Cross multiply
    11,023.80x = 15,212.58 × 6,307.77
  4. Step 4: Simplify right side
    11,023.80x = 95,957,455.75
  5. Step 5: Solve for x
    x = 95,957,455.75/11,023.80
  6. Step 6: Final answer
    x = 8,704.57

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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.