Home / 11,298.17-16,953.30-8,505.65

Finding the Fourth Proportional to 11,298.17, 16,953.30 and 8,505.65

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Solution

The fourth proportional to 11,298.17, 16,953.30 and 8,505.65 is: 12,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.17 : 16,953.30 = 8,505.65 : x
  2. Step 2: Convert to fraction form
    11,298.17/16,953.30 = 8,505.65/x
  3. Step 3: Cross multiply
    11,298.17x = 16,953.30 × 8,505.65
  4. Step 4: Simplify right side
    11,298.17x = 144,198,878.53
  5. Step 5: Solve for x
    x = 144,198,878.53/11,298.17
  6. Step 6: Final answer
    x = 12,763.03

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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.