Home / 9,219.15-13,838.85-4,835.43

Finding the Fourth Proportional to 9,219.15, 13,838.85 and 4,835.43

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Solution

The fourth proportional to 9,219.15, 13,838.85 and 4,835.43 is: 7,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.15 : 13,838.85 = 4,835.43 : x
  2. Step 2: Convert to fraction form
    9,219.15/13,838.85 = 4,835.43/x
  3. Step 3: Cross multiply
    9,219.15x = 13,838.85 × 4,835.43
  4. Step 4: Simplify right side
    9,219.15x = 66,916,790.46
  5. Step 5: Solve for x
    x = 66,916,790.46/9,219.15
  6. Step 6: Final answer
    x = 7,258.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.