Home / 8,711.25-12,021.33-4,732.35

Finding the Fourth Proportional to 8,711.25, 12,021.33 and 4,732.35

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Solution

The fourth proportional to 8,711.25, 12,021.33 and 4,732.35 is: 6,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.25 : 12,021.33 = 4,732.35 : x
  2. Step 2: Convert to fraction form
    8,711.25/12,021.33 = 4,732.35/x
  3. Step 3: Cross multiply
    8,711.25x = 12,021.33 × 4,732.35
  4. Step 4: Simplify right side
    8,711.25x = 56,889,141.03
  5. Step 5: Solve for x
    x = 56,889,141.03/8,711.25
  6. Step 6: Final answer
    x = 6,530.54

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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.