Home / 9,203.18-12,698.66-5,427.54

Finding the Fourth Proportional to 9,203.18, 12,698.66 and 5,427.54

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Solution

The fourth proportional to 9,203.18, 12,698.66 and 5,427.54 is: 7,488.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.18 : 12,698.66 = 5,427.54 : x
  2. Step 2: Convert to fraction form
    9,203.18/12,698.66 = 5,427.54/x
  3. Step 3: Cross multiply
    9,203.18x = 12,698.66 × 5,427.54
  4. Step 4: Simplify right side
    9,203.18x = 68,922,485.10
  5. Step 5: Solve for x
    x = 68,922,485.10/9,203.18
  6. Step 6: Final answer
    x = 7,488.99

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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.