Home / 8,635.92-11,916.72-4,859.00

Finding the Fourth Proportional to 8,635.92, 11,916.72 and 4,859.00

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Solution

The fourth proportional to 8,635.92, 11,916.72 and 4,859.00 is: 6,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.92 : 11,916.72 = 4,859.00 : x
  2. Step 2: Convert to fraction form
    8,635.92/11,916.72 = 4,859.00/x
  3. Step 3: Cross multiply
    8,635.92x = 11,916.72 × 4,859.00
  4. Step 4: Simplify right side
    8,635.92x = 57,903,394.62
  5. Step 5: Solve for x
    x = 57,903,394.62/8,635.92
  6. Step 6: Final answer
    x = 6,704.95

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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.