Home / 7,696.48-10,620.56-4,339.36

Finding the Fourth Proportional to 7,696.48, 10,620.56 and 4,339.36

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Solution

The fourth proportional to 7,696.48, 10,620.56 and 4,339.36 is: 5,987.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.48 : 10,620.56 = 4,339.36 : x
  2. Step 2: Convert to fraction form
    7,696.48/10,620.56 = 4,339.36/x
  3. Step 3: Cross multiply
    7,696.48x = 10,620.56 × 4,339.36
  4. Step 4: Simplify right side
    7,696.48x = 46,086,433.24
  5. Step 5: Solve for x
    x = 46,086,433.24/7,696.48
  6. Step 6: Final answer
    x = 5,987.99

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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.