Home / 9,912.45-13,675.66-5,660.46

Finding the Fourth Proportional to 9,912.45, 13,675.66 and 5,660.46

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Solution

The fourth proportional to 9,912.45, 13,675.66 and 5,660.46 is: 7,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.45 : 13,675.66 = 5,660.46 : x
  2. Step 2: Convert to fraction form
    9,912.45/13,675.66 = 5,660.46/x
  3. Step 3: Cross multiply
    9,912.45x = 13,675.66 × 5,660.46
  4. Step 4: Simplify right side
    9,912.45x = 77,410,526.40
  5. Step 5: Solve for x
    x = 77,410,526.40/9,912.45
  6. Step 6: Final answer
    x = 7,809.42

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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.