Home / 13,096.11-18,072.64-7,127.83

Finding the Fourth Proportional to 13,096.11, 18,072.64 and 7,127.83

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Solution

The fourth proportional to 13,096.11, 18,072.64 and 7,127.83 is: 9,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,096.11 : 18,072.64 = 7,127.83 : x
  2. Step 2: Convert to fraction form
    13,096.11/18,072.64 = 7,127.83/x
  3. Step 3: Cross multiply
    13,096.11x = 18,072.64 × 7,127.83
  4. Step 4: Simplify right side
    13,096.11x = 128,818,619.98
  5. Step 5: Solve for x
    x = 128,818,619.98/13,096.11
  6. Step 6: Final answer
    x = 9,836.40

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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.