Home / 11,484.68-15,847.67-6,449.45

Finding the Fourth Proportional to 11,484.68, 15,847.67 and 6,449.45

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Solution

The fourth proportional to 11,484.68, 15,847.67 and 6,449.45 is: 8,899.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484.68 : 15,847.67 = 6,449.45 : x
  2. Step 2: Convert to fraction form
    11,484.68/15,847.67 = 6,449.45/x
  3. Step 3: Cross multiply
    11,484.68x = 15,847.67 × 6,449.45
  4. Step 4: Simplify right side
    11,484.68x = 102,208,811.02
  5. Step 5: Solve for x
    x = 102,208,811.02/11,484.68
  6. Step 6: Final answer
    x = 8,899.58

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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.