Home / 9,816.36-13,546.49-5,340.03

Finding the Fourth Proportional to 9,816.36, 13,546.49 and 5,340.03

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Solution

The fourth proportional to 9,816.36, 13,546.49 and 5,340.03 is: 7,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.36 : 13,546.49 = 5,340.03 : x
  2. Step 2: Convert to fraction form
    9,816.36/13,546.49 = 5,340.03/x
  3. Step 3: Cross multiply
    9,816.36x = 13,546.49 × 5,340.03
  4. Step 4: Simplify right side
    9,816.36x = 72,338,636.29
  5. Step 5: Solve for x
    x = 72,338,636.29/9,816.36
  6. Step 6: Final answer
    x = 7,369.19

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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.