Home / 11,695.76-16,132.68-6,977.36

Finding the Fourth Proportional to 11,695.76, 16,132.68 and 6,977.36

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Solution

The fourth proportional to 11,695.76, 16,132.68 and 6,977.36 is: 9,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.76 : 16,132.68 = 6,977.36 : x
  2. Step 2: Convert to fraction form
    11,695.76/16,132.68 = 6,977.36/x
  3. Step 3: Cross multiply
    11,695.76x = 16,132.68 × 6,977.36
  4. Step 4: Simplify right side
    11,695.76x = 112,563,516.12
  5. Step 5: Solve for x
    x = 112,563,516.12/11,695.76
  6. Step 6: Final answer
    x = 9,624.30

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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.