Home / 9,650.37-13,308.60-6,291.51

Finding the Fourth Proportional to 9,650.37, 13,308.60 and 6,291.51

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Solution

The fourth proportional to 9,650.37, 13,308.60 and 6,291.51 is: 8,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,650.37 : 13,308.60 = 6,291.51 : x
  2. Step 2: Convert to fraction form
    9,650.37/13,308.60 = 6,291.51/x
  3. Step 3: Cross multiply
    9,650.37x = 13,308.60 × 6,291.51
  4. Step 4: Simplify right side
    9,650.37x = 83,731,163.67
  5. Step 5: Solve for x
    x = 83,731,163.67/9,650.37
  6. Step 6: Final answer
    x = 8,676.47

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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.