Home / 12,043.08-16,615.73-8,068.21

Finding the Fourth Proportional to 12,043.08, 16,615.73 and 8,068.21

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Solution

The fourth proportional to 12,043.08, 16,615.73 and 8,068.21 is: 11,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.08 : 16,615.73 = 8,068.21 : x
  2. Step 2: Convert to fraction form
    12,043.08/16,615.73 = 8,068.21/x
  3. Step 3: Cross multiply
    12,043.08x = 16,615.73 × 8,068.21
  4. Step 4: Simplify right side
    12,043.08x = 134,059,177.57
  5. Step 5: Solve for x
    x = 134,059,177.57/12,043.08
  6. Step 6: Final answer
    x = 11,131.64

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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.