Home / 8,400.30-11,590.26-4,861.41

Finding the Fourth Proportional to 8,400.30, 11,590.26 and 4,861.41

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Solution

The fourth proportional to 8,400.30, 11,590.26 and 4,861.41 is: 6,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.30 : 11,590.26 = 4,861.41 : x
  2. Step 2: Convert to fraction form
    8,400.30/11,590.26 = 4,861.41/x
  3. Step 3: Cross multiply
    8,400.30x = 11,590.26 × 4,861.41
  4. Step 4: Simplify right side
    8,400.30x = 56,345,005.87
  5. Step 5: Solve for x
    x = 56,345,005.87/8,400.30
  6. Step 6: Final answer
    x = 6,707.50

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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.