Home / 9,813.79-13,536.96-8,557.85

Finding the Fourth Proportional to 9,813.79, 13,536.96 and 8,557.85

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Solution

The fourth proportional to 9,813.79, 13,536.96 and 8,557.85 is: 11,804.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.79 : 13,536.96 = 8,557.85 : x
  2. Step 2: Convert to fraction form
    9,813.79/13,536.96 = 8,557.85/x
  3. Step 3: Cross multiply
    9,813.79x = 13,536.96 × 8,557.85
  4. Step 4: Simplify right side
    9,813.79x = 115,847,274.89
  5. Step 5: Solve for x
    x = 115,847,274.89/9,813.79
  6. Step 6: Final answer
    x = 11,804.54

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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.