Home / 6,368.24-9,538.32-4,979.36

Finding the Fourth Proportional to 6,368.24, 9,538.32 and 4,979.36

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Solution

The fourth proportional to 6,368.24, 9,538.32 and 4,979.36 is: 7,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.24 : 9,538.32 = 4,979.36 : x
  2. Step 2: Convert to fraction form
    6,368.24/9,538.32 = 4,979.36/x
  3. Step 3: Cross multiply
    6,368.24x = 9,538.32 × 4,979.36
  4. Step 4: Simplify right side
    6,368.24x = 47,494,729.08
  5. Step 5: Solve for x
    x = 47,494,729.08/6,368.24
  6. Step 6: Final answer
    x = 7,458.06

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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.