Home / 7,161.75-9,883.86-4,330.53

Finding the Fourth Proportional to 7,161.75, 9,883.86 and 4,330.53

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Solution

The fourth proportional to 7,161.75, 9,883.86 and 4,330.53 is: 5,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.75 : 9,883.86 = 4,330.53 : x
  2. Step 2: Convert to fraction form
    7,161.75/9,883.86 = 4,330.53/x
  3. Step 3: Cross multiply
    7,161.75x = 9,883.86 × 4,330.53
  4. Step 4: Simplify right side
    7,161.75x = 42,802,352.25
  5. Step 5: Solve for x
    x = 42,802,352.25/7,161.75
  6. Step 6: Final answer
    x = 5,976.52

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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.