Home / 8,176.56-11,283.67-4,639.76

Finding the Fourth Proportional to 8,176.56, 11,283.67 and 4,639.76

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Solution

The fourth proportional to 8,176.56, 11,283.67 and 4,639.76 is: 6,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.56 : 11,283.67 = 4,639.76 : x
  2. Step 2: Convert to fraction form
    8,176.56/11,283.67 = 4,639.76/x
  3. Step 3: Cross multiply
    8,176.56x = 11,283.67 × 4,639.76
  4. Step 4: Simplify right side
    8,176.56x = 52,353,512.41
  5. Step 5: Solve for x
    x = 52,353,512.41/8,176.56
  6. Step 6: Final answer
    x = 6,402.88

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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.