Home / 9,071.87-13,608.67-3,525.65

Finding the Fourth Proportional to 9,071.87, 13,608.67 and 3,525.65

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Solution

The fourth proportional to 9,071.87, 13,608.67 and 3,525.65 is: 5,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.87 : 13,608.67 = 3,525.65 : x
  2. Step 2: Convert to fraction form
    9,071.87/13,608.67 = 3,525.65/x
  3. Step 3: Cross multiply
    9,071.87x = 13,608.67 × 3,525.65
  4. Step 4: Simplify right side
    9,071.87x = 47,979,337.14
  5. Step 5: Solve for x
    x = 47,979,337.14/9,071.87
  6. Step 6: Final answer
    x = 5,288.80

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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.