Home / 6,819.76-9,416.56-5,325.08

Finding the Fourth Proportional to 6,819.76, 9,416.56 and 5,325.08

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Solution

The fourth proportional to 6,819.76, 9,416.56 and 5,325.08 is: 7,352.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.76 : 9,416.56 = 5,325.08 : x
  2. Step 2: Convert to fraction form
    6,819.76/9,416.56 = 5,325.08/x
  3. Step 3: Cross multiply
    6,819.76x = 9,416.56 × 5,325.08
  4. Step 4: Simplify right side
    6,819.76x = 50,143,922.01
  5. Step 5: Solve for x
    x = 50,143,922.01/6,819.76
  6. Step 6: Final answer
    x = 7,352.75

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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.