Home / 8,916.56-12,304.57-4,883.20

Finding the Fourth Proportional to 8,916.56, 12,304.57 and 4,883.20

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Solution

The fourth proportional to 8,916.56, 12,304.57 and 4,883.20 is: 6,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.56 : 12,304.57 = 4,883.20 : x
  2. Step 2: Convert to fraction form
    8,916.56/12,304.57 = 4,883.20/x
  3. Step 3: Cross multiply
    8,916.56x = 12,304.57 × 4,883.20
  4. Step 4: Simplify right side
    8,916.56x = 60,085,676.22
  5. Step 5: Solve for x
    x = 60,085,676.22/8,916.56
  6. Step 6: Final answer
    x = 6,738.66

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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.