Home / 7,908.50-11,865.15-4,749.46

Finding the Fourth Proportional to 7,908.50, 11,865.15 and 4,749.46

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Solution

The fourth proportional to 7,908.50, 11,865.15 and 4,749.46 is: 7,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.50 : 11,865.15 = 4,749.46 : x
  2. Step 2: Convert to fraction form
    7,908.50/11,865.15 = 4,749.46/x
  3. Step 3: Cross multiply
    7,908.50x = 11,865.15 × 4,749.46
  4. Step 4: Simplify right side
    7,908.50x = 56,353,025.66
  5. Step 5: Solve for x
    x = 56,353,025.66/7,908.50
  6. Step 6: Final answer
    x = 7,125.63

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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.