Home / 7,789.66-10,749.64-4,804.30

Finding the Fourth Proportional to 7,789.66, 10,749.64 and 4,804.30

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Solution

The fourth proportional to 7,789.66, 10,749.64 and 4,804.30 is: 6,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.66 : 10,749.64 = 4,804.30 : x
  2. Step 2: Convert to fraction form
    7,789.66/10,749.64 = 4,804.30/x
  3. Step 3: Cross multiply
    7,789.66x = 10,749.64 × 4,804.30
  4. Step 4: Simplify right side
    7,789.66x = 51,644,495.45
  5. Step 5: Solve for x
    x = 51,644,495.45/7,789.66
  6. Step 6: Final answer
    x = 6,629.88

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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.