Home / 8,557.62-11,808.67-4,780.48

Finding the Fourth Proportional to 8,557.62, 11,808.67 and 4,780.48

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Solution

The fourth proportional to 8,557.62, 11,808.67 and 4,780.48 is: 6,596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.62 : 11,808.67 = 4,780.48 : x
  2. Step 2: Convert to fraction form
    8,557.62/11,808.67 = 4,780.48/x
  3. Step 3: Cross multiply
    8,557.62x = 11,808.67 × 4,780.48
  4. Step 4: Simplify right side
    8,557.62x = 56,451,110.76
  5. Step 5: Solve for x
    x = 56,451,110.76/8,557.62
  6. Step 6: Final answer
    x = 6,596.59

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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.