Home / 8,756.43-12,084.18-4,777.77

Finding the Fourth Proportional to 8,756.43, 12,084.18 and 4,777.77

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Solution

The fourth proportional to 8,756.43, 12,084.18 and 4,777.77 is: 6,593.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.43 : 12,084.18 = 4,777.77 : x
  2. Step 2: Convert to fraction form
    8,756.43/12,084.18 = 4,777.77/x
  3. Step 3: Cross multiply
    8,756.43x = 12,084.18 × 4,777.77
  4. Step 4: Simplify right side
    8,756.43x = 57,735,432.68
  5. Step 5: Solve for x
    x = 57,735,432.68/8,756.43
  6. Step 6: Final answer
    x = 6,593.49

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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.