Home / 11,977.13-16,528.20-6,941.22

Finding the Fourth Proportional to 11,977.13, 16,528.20 and 6,941.22

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Solution

The fourth proportional to 11,977.13, 16,528.20 and 6,941.22 is: 9,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.13 : 16,528.20 = 6,941.22 : x
  2. Step 2: Convert to fraction form
    11,977.13/16,528.20 = 6,941.22/x
  3. Step 3: Cross multiply
    11,977.13x = 16,528.20 × 6,941.22
  4. Step 4: Simplify right side
    11,977.13x = 114,725,826.00
  5. Step 5: Solve for x
    x = 114,725,826.00/11,977.13
  6. Step 6: Final answer
    x = 9,578.74

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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.