Home / 7,474.06-11,220.81-4,888.54

Finding the Fourth Proportional to 7,474.06, 11,220.81 and 4,888.54

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Solution

The fourth proportional to 7,474.06, 11,220.81 and 4,888.54 is: 7,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.06 : 11,220.81 = 4,888.54 : x
  2. Step 2: Convert to fraction form
    7,474.06/11,220.81 = 4,888.54/x
  3. Step 3: Cross multiply
    7,474.06x = 11,220.81 × 4,888.54
  4. Step 4: Simplify right side
    7,474.06x = 54,853,378.52
  5. Step 5: Solve for x
    x = 54,853,378.52/7,474.06
  6. Step 6: Final answer
    x = 7,339.17

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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.