Home / 9,237.36-12,747.78-5,258.91

Finding the Fourth Proportional to 9,237.36, 12,747.78 and 5,258.91

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Solution

The fourth proportional to 9,237.36, 12,747.78 and 5,258.91 is: 7,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,237.36 : 12,747.78 = 5,258.91 : x
  2. Step 2: Convert to fraction form
    9,237.36/12,747.78 = 5,258.91/x
  3. Step 3: Cross multiply
    9,237.36x = 12,747.78 × 5,258.91
  4. Step 4: Simplify right side
    9,237.36x = 67,039,427.72
  5. Step 5: Solve for x
    x = 67,039,427.72/9,237.36
  6. Step 6: Final answer
    x = 7,257.42

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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.