Home / 7,951.23-11,925.99-2,108.34

Finding the Fourth Proportional to 7,951.23, 11,925.99 and 2,108.34

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Solution

The fourth proportional to 7,951.23, 11,925.99 and 2,108.34 is: 3,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.23 : 11,925.99 = 2,108.34 : x
  2. Step 2: Convert to fraction form
    7,951.23/11,925.99 = 2,108.34/x
  3. Step 3: Cross multiply
    7,951.23x = 11,925.99 × 2,108.34
  4. Step 4: Simplify right side
    7,951.23x = 25,144,041.76
  5. Step 5: Solve for x
    x = 25,144,041.76/7,951.23
  6. Step 6: Final answer
    x = 3,162.28

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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.