Home / 8,423.92-11,627.58-4,888.54

Finding the Fourth Proportional to 8,423.92, 11,627.58 and 4,888.54

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Solution

The fourth proportional to 8,423.92, 11,627.58 and 4,888.54 is: 6,747.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.92 : 11,627.58 = 4,888.54 : x
  2. Step 2: Convert to fraction form
    8,423.92/11,627.58 = 4,888.54/x
  3. Step 3: Cross multiply
    8,423.92x = 11,627.58 × 4,888.54
  4. Step 4: Simplify right side
    8,423.92x = 56,841,889.93
  5. Step 5: Solve for x
    x = 56,841,889.93/8,423.92
  6. Step 6: Final answer
    x = 6,747.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.