Home / 9,821.07-13,550.76-5,571.19

Finding the Fourth Proportional to 9,821.07, 13,550.76 and 5,571.19

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Solution

The fourth proportional to 9,821.07, 13,550.76 and 5,571.19 is: 7,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.07 : 13,550.76 = 5,571.19 : x
  2. Step 2: Convert to fraction form
    9,821.07/13,550.76 = 5,571.19/x
  3. Step 3: Cross multiply
    9,821.07x = 13,550.76 × 5,571.19
  4. Step 4: Simplify right side
    9,821.07x = 75,493,858.60
  5. Step 5: Solve for x
    x = 75,493,858.60/9,821.07
  6. Step 6: Final answer
    x = 7,686.93

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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.