Home / 8,464.58-11,681.77-4,688.09

Finding the Fourth Proportional to 8,464.58, 11,681.77 and 4,688.09

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Solution

The fourth proportional to 8,464.58, 11,681.77 and 4,688.09 is: 6,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.58 : 11,681.77 = 4,688.09 : x
  2. Step 2: Convert to fraction form
    8,464.58/11,681.77 = 4,688.09/x
  3. Step 3: Cross multiply
    8,464.58x = 11,681.77 × 4,688.09
  4. Step 4: Simplify right side
    8,464.58x = 54,765,189.12
  5. Step 5: Solve for x
    x = 54,765,189.12/8,464.58
  6. Step 6: Final answer
    x = 6,469.93

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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.