Home / 11,970.48-17,955.81-4,475.73

Finding the Fourth Proportional to 11,970.48, 17,955.81 and 4,475.73

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Solution

The fourth proportional to 11,970.48, 17,955.81 and 4,475.73 is: 6,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.48 : 17,955.81 = 4,475.73 : x
  2. Step 2: Convert to fraction form
    11,970.48/17,955.81 = 4,475.73/x
  3. Step 3: Cross multiply
    11,970.48x = 17,955.81 × 4,475.73
  4. Step 4: Simplify right side
    11,970.48x = 80,365,357.49
  5. Step 5: Solve for x
    x = 80,365,357.49/11,970.48
  6. Step 6: Final answer
    x = 6,713.63

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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.