Home / 12,601.50-18,905.37-5,208.08

Finding the Fourth Proportional to 12,601.50, 18,905.37 and 5,208.08

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Solution

The fourth proportional to 12,601.50, 18,905.37 and 5,208.08 is: 7,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.50 : 18,905.37 = 5,208.08 : x
  2. Step 2: Convert to fraction form
    12,601.50/18,905.37 = 5,208.08/x
  3. Step 3: Cross multiply
    12,601.50x = 18,905.37 × 5,208.08
  4. Step 4: Simplify right side
    12,601.50x = 98,460,584.86
  5. Step 5: Solve for x
    x = 98,460,584.86/12,601.50
  6. Step 6: Final answer
    x = 7,813.40

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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.