Home / 8,613.21-11,886-4,836.33

Finding the Fourth Proportional to 8,613.21, 11,886 and 4,836.33

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Solution

The fourth proportional to 8,613.21, 11,886 and 4,836.33 is: 6,674.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.21 : 11,886 = 4,836.33 : x
  2. Step 2: Convert to fraction form
    8,613.21/11,886 = 4,836.33/x
  3. Step 3: Cross multiply
    8,613.21x = 11,886 × 4,836.33
  4. Step 4: Simplify right side
    8,613.21x = 57,484,618.38
  5. Step 5: Solve for x
    x = 57,484,618.38/8,613.21
  6. Step 6: Final answer
    x = 6,674.01

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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.