Home / 12,176.45-16,803.52-6,871.76

Finding the Fourth Proportional to 12,176.45, 16,803.52 and 6,871.76

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Solution

The fourth proportional to 12,176.45, 16,803.52 and 6,871.76 is: 9,483.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.45 : 16,803.52 = 6,871.76 : x
  2. Step 2: Convert to fraction form
    12,176.45/16,803.52 = 6,871.76/x
  3. Step 3: Cross multiply
    12,176.45x = 16,803.52 × 6,871.76
  4. Step 4: Simplify right side
    12,176.45x = 115,469,756.60
  5. Step 5: Solve for x
    x = 115,469,756.60/12,176.45
  6. Step 6: Final answer
    x = 9,483.04

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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.