Home / 11,105.92-16,564.88-9,633.36

Finding the Fourth Proportional to 11,105.92, 16,564.88 and 9,633.36

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Solution

The fourth proportional to 11,105.92, 16,564.88 and 9,633.36 is: 14,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.92 : 16,564.88 = 9,633.36 : x
  2. Step 2: Convert to fraction form
    11,105.92/16,564.88 = 9,633.36/x
  3. Step 3: Cross multiply
    11,105.92x = 16,564.88 × 9,633.36
  4. Step 4: Simplify right side
    11,105.92x = 159,575,452.40
  5. Step 5: Solve for x
    x = 159,575,452.40/11,105.92
  6. Step 6: Final answer
    x = 14,368.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.