Home / 12,530.19-17,291.66-6,942.27

Finding the Fourth Proportional to 12,530.19, 17,291.66 and 6,942.27

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Solution

The fourth proportional to 12,530.19, 17,291.66 and 6,942.27 is: 9,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.19 : 17,291.66 = 6,942.27 : x
  2. Step 2: Convert to fraction form
    12,530.19/17,291.66 = 6,942.27/x
  3. Step 3: Cross multiply
    12,530.19x = 17,291.66 × 6,942.27
  4. Step 4: Simplify right side
    12,530.19x = 120,043,372.47
  5. Step 5: Solve for x
    x = 120,043,372.47/12,530.19
  6. Step 6: Final answer
    x = 9,580.33

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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.