Home / 8,830.37-12,185.74-4,851.39

Finding the Fourth Proportional to 8,830.37, 12,185.74 and 4,851.39

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Solution

The fourth proportional to 8,830.37, 12,185.74 and 4,851.39 is: 6,694.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.37 : 12,185.74 = 4,851.39 : x
  2. Step 2: Convert to fraction form
    8,830.37/12,185.74 = 4,851.39/x
  3. Step 3: Cross multiply
    8,830.37x = 12,185.74 × 4,851.39
  4. Step 4: Simplify right side
    8,830.37x = 59,117,777.18
  5. Step 5: Solve for x
    x = 59,117,777.18/8,830.37
  6. Step 6: Final answer
    x = 6,694.82

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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.