Home / 8,600.08-12,898.80-3,337.60

Finding the Fourth Proportional to 8,600.08, 12,898.80 and 3,337.60

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Solution

The fourth proportional to 8,600.08, 12,898.80 and 3,337.60 is: 5,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.08 : 12,898.80 = 3,337.60 : x
  2. Step 2: Convert to fraction form
    8,600.08/12,898.80 = 3,337.60/x
  3. Step 3: Cross multiply
    8,600.08x = 12,898.80 × 3,337.60
  4. Step 4: Simplify right side
    8,600.08x = 43,051,034.88
  5. Step 5: Solve for x
    x = 43,051,034.88/8,600.08
  6. Step 6: Final answer
    x = 5,005.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.