Home / 6,919.37-9,556.70-5,039.36

Finding the Fourth Proportional to 6,919.37, 9,556.70 and 5,039.36

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Solution

The fourth proportional to 6,919.37, 9,556.70 and 5,039.36 is: 6,960.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.37 : 9,556.70 = 5,039.36 : x
  2. Step 2: Convert to fraction form
    6,919.37/9,556.70 = 5,039.36/x
  3. Step 3: Cross multiply
    6,919.37x = 9,556.70 × 5,039.36
  4. Step 4: Simplify right side
    6,919.37x = 48,159,651.71
  5. Step 5: Solve for x
    x = 48,159,651.71/6,919.37
  6. Step 6: Final answer
    x = 6,960.12

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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.