Home / 7,733.81-11,600.72-3,116.81

Finding the Fourth Proportional to 7,733.81, 11,600.72 and 3,116.81

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Solution

The fourth proportional to 7,733.81, 11,600.72 and 3,116.81 is: 4,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,733.81 : 11,600.72 = 3,116.81 : x
  2. Step 2: Convert to fraction form
    7,733.81/11,600.72 = 3,116.81/x
  3. Step 3: Cross multiply
    7,733.81x = 11,600.72 × 3,116.81
  4. Step 4: Simplify right side
    7,733.81x = 36,157,265.21
  5. Step 5: Solve for x
    x = 36,157,265.21/7,733.81
  6. Step 6: Final answer
    x = 4,675.22

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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.