Home / 12,127.05-16,735.01-6,822.36

Finding the Fourth Proportional to 12,127.05, 16,735.01 and 6,822.36

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Solution

The fourth proportional to 12,127.05, 16,735.01 and 6,822.36 is: 9,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.05 : 16,735.01 = 6,822.36 : x
  2. Step 2: Convert to fraction form
    12,127.05/16,735.01 = 6,822.36/x
  3. Step 3: Cross multiply
    12,127.05x = 16,735.01 × 6,822.36
  4. Step 4: Simplify right side
    12,127.05x = 114,172,228.71
  5. Step 5: Solve for x
    x = 114,172,228.71/12,127.05
  6. Step 6: Final answer
    x = 9,414.67

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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.