Home / 11,999.04-16,551.19-8,636.52

Finding the Fourth Proportional to 11,999.04, 16,551.19 and 8,636.52

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Solution

The fourth proportional to 11,999.04, 16,551.19 and 8,636.52 is: 11,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.04 : 16,551.19 = 8,636.52 : x
  2. Step 2: Convert to fraction form
    11,999.04/16,551.19 = 8,636.52/x
  3. Step 3: Cross multiply
    11,999.04x = 16,551.19 × 8,636.52
  4. Step 4: Simplify right side
    11,999.04x = 142,944,707.74
  5. Step 5: Solve for x
    x = 142,944,707.74/11,999.04
  6. Step 6: Final answer
    x = 11,913.02

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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.