Home / 9,228.53-12,735.78-5,196.74

Finding the Fourth Proportional to 9,228.53, 12,735.78 and 5,196.74

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Solution

The fourth proportional to 9,228.53, 12,735.78 and 5,196.74 is: 7,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.53 : 12,735.78 = 5,196.74 : x
  2. Step 2: Convert to fraction form
    9,228.53/12,735.78 = 5,196.74/x
  3. Step 3: Cross multiply
    9,228.53x = 12,735.78 × 5,196.74
  4. Step 4: Simplify right side
    9,228.53x = 66,184,537.36
  5. Step 5: Solve for x
    x = 66,184,537.36/9,228.53
  6. Step 6: Final answer
    x = 7,171.73

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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.