Home / 11,828.13-16,303.77-8,636.36

Finding the Fourth Proportional to 11,828.13, 16,303.77 and 8,636.36

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Solution

The fourth proportional to 11,828.13, 16,303.77 and 8,636.36 is: 11,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.13 : 16,303.77 = 8,636.36 : x
  2. Step 2: Convert to fraction form
    11,828.13/16,303.77 = 8,636.36/x
  3. Step 3: Cross multiply
    11,828.13x = 16,303.77 × 8,636.36
  4. Step 4: Simplify right side
    11,828.13x = 140,805,227.08
  5. Step 5: Solve for x
    x = 140,805,227.08/11,828.13
  6. Step 6: Final answer
    x = 11,904.27

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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.