Home / 8,885.96-12,262.56-4,907.07

Finding the Fourth Proportional to 8,885.96, 12,262.56 and 4,907.07

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Solution

The fourth proportional to 8,885.96, 12,262.56 and 4,907.07 is: 6,771.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.96 : 12,262.56 = 4,907.07 : x
  2. Step 2: Convert to fraction form
    8,885.96/12,262.56 = 4,907.07/x
  3. Step 3: Cross multiply
    8,885.96x = 12,262.56 × 4,907.07
  4. Step 4: Simplify right side
    8,885.96x = 60,173,240.30
  5. Step 5: Solve for x
    x = 60,173,240.30/8,885.96
  6. Step 6: Final answer
    x = 6,771.72

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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.