Home / 11,661.51-16,092.88-6,356.32

Finding the Fourth Proportional to 11,661.51, 16,092.88 and 6,356.32

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Solution

The fourth proportional to 11,661.51, 16,092.88 and 6,356.32 is: 8,771.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.51 : 16,092.88 = 6,356.32 : x
  2. Step 2: Convert to fraction form
    11,661.51/16,092.88 = 6,356.32/x
  3. Step 3: Cross multiply
    11,661.51x = 16,092.88 × 6,356.32
  4. Step 4: Simplify right side
    11,661.51x = 102,291,495.00
  5. Step 5: Solve for x
    x = 102,291,495.00/11,661.51
  6. Step 6: Final answer
    x = 8,771.72

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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.