Home / 15,738.00-23,609.50-5,208.40

Finding the Fourth Proportional to 15,738.00, 23,609.50 and 5,208.40

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Solution

The fourth proportional to 15,738.00, 23,609.50 and 5,208.40 is: 7,813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,738.00 : 23,609.50 = 5,208.40 : x
  2. Step 2: Convert to fraction form
    15,738.00/23,609.50 = 5,208.40/x
  3. Step 3: Cross multiply
    15,738.00x = 23,609.50 × 5,208.40
  4. Step 4: Simplify right side
    15,738.00x = 122,967,750.94
  5. Step 5: Solve for x
    x = 122,967,750.94/15,738.00
  6. Step 6: Final answer
    x = 7,813.43

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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.