Home / 11,306.61-16,953.69-8,981.52

Finding the Fourth Proportional to 11,306.61, 16,953.69 and 8,981.52

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Solution

The fourth proportional to 11,306.61, 16,953.69 and 8,981.52 is: 13,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.61 : 16,953.69 = 8,981.52 : x
  2. Step 2: Convert to fraction form
    11,306.61/16,953.69 = 8,981.52/x
  3. Step 3: Cross multiply
    11,306.61x = 16,953.69 × 8,981.52
  4. Step 4: Simplify right side
    11,306.61x = 152,269,905.81
  5. Step 5: Solve for x
    x = 152,269,905.81/11,306.61
  6. Step 6: Final answer
    x = 13,467.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.