Home / 9,785.84-13,504.39-5,536.87

Finding the Fourth Proportional to 9,785.84, 13,504.39 and 5,536.87

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Solution

The fourth proportional to 9,785.84, 13,504.39 and 5,536.87 is: 7,640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.84 : 13,504.39 = 5,536.87 : x
  2. Step 2: Convert to fraction form
    9,785.84/13,504.39 = 5,536.87/x
  3. Step 3: Cross multiply
    9,785.84x = 13,504.39 × 5,536.87
  4. Step 4: Simplify right side
    9,785.84x = 74,771,990.41
  5. Step 5: Solve for x
    x = 74,771,990.41/9,785.84
  6. Step 6: Final answer
    x = 7,640.83

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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.