Home / 12,085.18-16,666.39-8,054.27

Finding the Fourth Proportional to 12,085.18, 16,666.39 and 8,054.27

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Solution

The fourth proportional to 12,085.18, 16,666.39 and 8,054.27 is: 11,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085.18 : 16,666.39 = 8,054.27 : x
  2. Step 2: Convert to fraction form
    12,085.18/16,666.39 = 8,054.27/x
  3. Step 3: Cross multiply
    12,085.18x = 16,666.39 × 8,054.27
  4. Step 4: Simplify right side
    12,085.18x = 134,235,594.22
  5. Step 5: Solve for x
    x = 134,235,594.22/12,085.18
  6. Step 6: Final answer
    x = 11,107.46

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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.