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Finding the Fourth Proportional to 10,833.84, 14,936.24 and 8,603.10

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Solution

The fourth proportional to 10,833.84, 14,936.24 and 8,603.10 is: 11,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,833.84 : 14,936.24 = 8,603.10 : x
  2. Step 2: Convert to fraction form
    10,833.84/14,936.24 = 8,603.10/x
  3. Step 3: Cross multiply
    10,833.84x = 14,936.24 × 8,603.10
  4. Step 4: Simplify right side
    10,833.84x = 128,497,987.85
  5. Step 5: Solve for x
    x = 128,497,987.85/10,833.84
  6. Step 6: Final answer
    x = 11,860.80

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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.