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Finding the Fourth Proportional to 11,263.96, 16,900.26 and 4,339

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Solution

The fourth proportional to 11,263.96, 16,900.26 and 4,339 is: 6,510.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.96 : 16,900.26 = 4,339 : x
  2. Step 2: Convert to fraction form
    11,263.96/16,900.26 = 4,339/x
  3. Step 3: Cross multiply
    11,263.96x = 16,900.26 × 4,339
  4. Step 4: Simplify right side
    11,263.96x = 73,330,228.14
  5. Step 5: Solve for x
    x = 73,330,228.14/11,263.96
  6. Step 6: Final answer
    x = 6,510.16

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1.5x scale

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.