Home / 9,828.39-13,563.41-5,352.39

Finding the Fourth Proportional to 9,828.39, 13,563.41 and 5,352.39

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Solution

The fourth proportional to 9,828.39, 13,563.41 and 5,352.39 is: 7,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.39 : 13,563.41 = 5,352.39 : x
  2. Step 2: Convert to fraction form
    9,828.39/13,563.41 = 5,352.39/x
  3. Step 3: Cross multiply
    9,828.39x = 13,563.41 × 5,352.39
  4. Step 4: Simplify right side
    9,828.39x = 72,596,660.05
  5. Step 5: Solve for x
    x = 72,596,660.05/9,828.39
  6. Step 6: Final answer
    x = 7,386.42

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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.