Home / 10,575.75-15,863.88-3,555.86

Finding the Fourth Proportional to 10,575.75, 15,863.88 and 3,555.86

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Solution

The fourth proportional to 10,575.75, 15,863.88 and 3,555.86 is: 5,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.75 : 15,863.88 = 3,555.86 : x
  2. Step 2: Convert to fraction form
    10,575.75/15,863.88 = 3,555.86/x
  3. Step 3: Cross multiply
    10,575.75x = 15,863.88 × 3,555.86
  4. Step 4: Simplify right side
    10,575.75x = 56,409,736.34
  5. Step 5: Solve for x
    x = 56,409,736.34/10,575.75
  6. Step 6: Final answer
    x = 5,333.88

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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.