Home / 10,522.88-15,779.46-3,944.36

Finding the Fourth Proportional to 10,522.88, 15,779.46 and 3,944.36

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Solution

The fourth proportional to 10,522.88, 15,779.46 and 3,944.36 is: 5,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.88 : 15,779.46 = 3,944.36 : x
  2. Step 2: Convert to fraction form
    10,522.88/15,779.46 = 3,944.36/x
  3. Step 3: Cross multiply
    10,522.88x = 15,779.46 × 3,944.36
  4. Step 4: Simplify right side
    10,522.88x = 62,239,870.85
  5. Step 5: Solve for x
    x = 62,239,870.85/10,522.88
  6. Step 6: Final answer
    x = 5,914.72

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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.