Home / 11,818.37-16,306.95-6,784.22

Finding the Fourth Proportional to 11,818.37, 16,306.95 and 6,784.22

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Solution

The fourth proportional to 11,818.37, 16,306.95 and 6,784.22 is: 9,360.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.37 : 16,306.95 = 6,784.22 : x
  2. Step 2: Convert to fraction form
    11,818.37/16,306.95 = 6,784.22/x
  3. Step 3: Cross multiply
    11,818.37x = 16,306.95 × 6,784.22
  4. Step 4: Simplify right side
    11,818.37x = 110,630,002.54
  5. Step 5: Solve for x
    x = 110,630,002.54/11,818.37
  6. Step 6: Final answer
    x = 9,360.85

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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.