Home / 11,900.09-16,421.87-6,594.86

Finding the Fourth Proportional to 11,900.09, 16,421.87 and 6,594.86

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Solution

The fourth proportional to 11,900.09, 16,421.87 and 6,594.86 is: 9,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.09 : 16,421.87 = 6,594.86 : x
  2. Step 2: Convert to fraction form
    11,900.09/16,421.87 = 6,594.86/x
  3. Step 3: Cross multiply
    11,900.09x = 16,421.87 × 6,594.86
  4. Step 4: Simplify right side
    11,900.09x = 108,299,818.50
  5. Step 5: Solve for x
    x = 108,299,818.50/11,900.09
  6. Step 6: Final answer
    x = 9,100.76

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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.