Home / 8,884.37-12,258.70-5,347.81

Finding the Fourth Proportional to 8,884.37, 12,258.70 and 5,347.81

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Solution

The fourth proportional to 8,884.37, 12,258.70 and 5,347.81 is: 7,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.37 : 12,258.70 = 5,347.81 : x
  2. Step 2: Convert to fraction form
    8,884.37/12,258.70 = 5,347.81/x
  3. Step 3: Cross multiply
    8,884.37x = 12,258.70 × 5,347.81
  4. Step 4: Simplify right side
    8,884.37x = 65,557,198.45
  5. Step 5: Solve for x
    x = 65,557,198.45/8,884.37
  6. Step 6: Final answer
    x = 7,378.94

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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.