Home / 9,765.18-14,650.20-3,928.32

Finding the Fourth Proportional to 9,765.18, 14,650.20 and 3,928.32

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Solution

The fourth proportional to 9,765.18, 14,650.20 and 3,928.32 is: 5,893.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,765.18 : 14,650.20 = 3,928.32 : x
  2. Step 2: Convert to fraction form
    9,765.18/14,650.20 = 3,928.32/x
  3. Step 3: Cross multiply
    9,765.18x = 14,650.20 × 3,928.32
  4. Step 4: Simplify right side
    9,765.18x = 57,550,673.66
  5. Step 5: Solve for x
    x = 57,550,673.66/9,765.18
  6. Step 6: Final answer
    x = 5,893.46

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1.5x scale

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.