Home / 9,535.39-13,158.63-5,286.43

Finding the Fourth Proportional to 9,535.39, 13,158.63 and 5,286.43

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Solution

The fourth proportional to 9,535.39, 13,158.63 and 5,286.43 is: 7,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,535.39 : 13,158.63 = 5,286.43 : x
  2. Step 2: Convert to fraction form
    9,535.39/13,158.63 = 5,286.43/x
  3. Step 3: Cross multiply
    9,535.39x = 13,158.63 × 5,286.43
  4. Step 4: Simplify right side
    9,535.39x = 69,562,176.39
  5. Step 5: Solve for x
    x = 69,562,176.39/9,535.39
  6. Step 6: Final answer
    x = 7,295.16

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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.