Home / 11,977.07-16,530.03-6,941.48

Finding the Fourth Proportional to 11,977.07, 16,530.03 and 6,941.48

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Solution

The fourth proportional to 11,977.07, 16,530.03 and 6,941.48 is: 9,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.07 : 16,530.03 = 6,941.48 : x
  2. Step 2: Convert to fraction form
    11,977.07/16,530.03 = 6,941.48/x
  3. Step 3: Cross multiply
    11,977.07x = 16,530.03 × 6,941.48
  4. Step 4: Simplify right side
    11,977.07x = 114,742,789.99
  5. Step 5: Solve for x
    x = 114,742,789.99/11,977.07
  6. Step 6: Final answer
    x = 9,580.21

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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.