Home / 11,295.86-15,590.46-6,518.88

Finding the Fourth Proportional to 11,295.86, 15,590.46 and 6,518.88

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Solution

The fourth proportional to 11,295.86, 15,590.46 and 6,518.88 is: 8,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.86 : 15,590.46 = 6,518.88 : x
  2. Step 2: Convert to fraction form
    11,295.86/15,590.46 = 6,518.88/x
  3. Step 3: Cross multiply
    11,295.86x = 15,590.46 × 6,518.88
  4. Step 4: Simplify right side
    11,295.86x = 101,632,337.88
  5. Step 5: Solve for x
    x = 101,632,337.88/11,295.86
  6. Step 6: Final answer
    x = 8,997.31

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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.