Home / 7,668.36-10,574.82-4,869

Finding the Fourth Proportional to 7,668.36, 10,574.82 and 4,869

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Solution

The fourth proportional to 7,668.36, 10,574.82 and 4,869 is: 6,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.36 : 10,574.82 = 4,869 : x
  2. Step 2: Convert to fraction form
    7,668.36/10,574.82 = 4,869/x
  3. Step 3: Cross multiply
    7,668.36x = 10,574.82 × 4,869
  4. Step 4: Simplify right side
    7,668.36x = 51,488,798.58
  5. Step 5: Solve for x
    x = 51,488,798.58/7,668.36
  6. Step 6: Final answer
    x = 6,714.45

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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.