Home / 11,567.79-17,331.53-6,940.59

Finding the Fourth Proportional to 11,567.79, 17,331.53 and 6,940.59

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Solution

The fourth proportional to 11,567.79, 17,331.53 and 6,940.59 is: 10,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.79 : 17,331.53 = 6,940.59 : x
  2. Step 2: Convert to fraction form
    11,567.79/17,331.53 = 6,940.59/x
  3. Step 3: Cross multiply
    11,567.79x = 17,331.53 × 6,940.59
  4. Step 4: Simplify right side
    11,567.79x = 120,291,009.10
  5. Step 5: Solve for x
    x = 120,291,009.10/11,567.79
  6. Step 6: Final answer
    x = 10,398.79

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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.