Home / 10,629.96-16,015.86-9,630.56

Finding the Fourth Proportional to 10,629.96, 16,015.86 and 9,630.56

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Solution

The fourth proportional to 10,629.96, 16,015.86 and 9,630.56 is: 14,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.96 : 16,015.86 = 9,630.56 : x
  2. Step 2: Convert to fraction form
    10,629.96/16,015.86 = 9,630.56/x
  3. Step 3: Cross multiply
    10,629.96x = 16,015.86 × 9,630.56
  4. Step 4: Simplify right side
    10,629.96x = 154,241,620.60
  5. Step 5: Solve for x
    x = 154,241,620.60/10,629.96
  6. Step 6: Final answer
    x = 14,510.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.