Home / 6,528.99-9,012.58-4,405.78

Finding the Fourth Proportional to 6,528.99, 9,012.58 and 4,405.78

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Solution

The fourth proportional to 6,528.99, 9,012.58 and 4,405.78 is: 6,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.99 : 9,012.58 = 4,405.78 : x
  2. Step 2: Convert to fraction form
    6,528.99/9,012.58 = 4,405.78/x
  3. Step 3: Cross multiply
    6,528.99x = 9,012.58 × 4,405.78
  4. Step 4: Simplify right side
    6,528.99x = 39,707,469.75
  5. Step 5: Solve for x
    x = 39,707,469.75/6,528.99
  6. Step 6: Final answer
    x = 6,081.71

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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.