Home / 8,756.36-12,083.74-4,777.46

Finding the Fourth Proportional to 8,756.36, 12,083.74 and 4,777.46

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Solution

The fourth proportional to 8,756.36, 12,083.74 and 4,777.46 is: 6,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.36 : 12,083.74 = 4,777.46 : x
  2. Step 2: Convert to fraction form
    8,756.36/12,083.74 = 4,777.46/x
  3. Step 3: Cross multiply
    8,756.36x = 12,083.74 × 4,777.46
  4. Step 4: Simplify right side
    8,756.36x = 57,729,584.50
  5. Step 5: Solve for x
    x = 57,729,584.50/8,756.36
  6. Step 6: Final answer
    x = 6,592.87

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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.