Home / 9,535.79-13,159.81-5,286.58

Finding the Fourth Proportional to 9,535.79, 13,159.81 and 5,286.58

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Solution

The fourth proportional to 9,535.79, 13,159.81 and 5,286.58 is: 7,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,535.79 : 13,159.81 = 5,286.58 : x
  2. Step 2: Convert to fraction form
    9,535.79/13,159.81 = 5,286.58/x
  3. Step 3: Cross multiply
    9,535.79x = 13,159.81 × 5,286.58
  4. Step 4: Simplify right side
    9,535.79x = 69,570,408.03
  5. Step 5: Solve for x
    x = 69,570,408.03/9,535.79
  6. Step 6: Final answer
    x = 7,295.71

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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.