Home / 8,916.44-12,304.58-4,937.78

Finding the Fourth Proportional to 8,916.44, 12,304.58 and 4,937.78

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Solution

The fourth proportional to 8,916.44, 12,304.58 and 4,937.78 is: 6,814.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.44 : 12,304.58 = 4,937.78 : x
  2. Step 2: Convert to fraction form
    8,916.44/12,304.58 = 4,937.78/x
  3. Step 3: Cross multiply
    8,916.44x = 12,304.58 × 4,937.78
  4. Step 4: Simplify right side
    8,916.44x = 60,757,222.82
  5. Step 5: Solve for x
    x = 60,757,222.82/8,916.44
  6. Step 6: Final answer
    x = 6,814.07

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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.