Home / 13,270.84-18,313.04-7,302.36

Finding the Fourth Proportional to 13,270.84, 18,313.04 and 7,302.36

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Solution

The fourth proportional to 13,270.84, 18,313.04 and 7,302.36 is: 10,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.84 : 18,313.04 = 7,302.36 : x
  2. Step 2: Convert to fraction form
    13,270.84/18,313.04 = 7,302.36/x
  3. Step 3: Cross multiply
    13,270.84x = 18,313.04 × 7,302.36
  4. Step 4: Simplify right side
    13,270.84x = 133,728,410.77
  5. Step 5: Solve for x
    x = 133,728,410.77/13,270.84
  6. Step 6: Final answer
    x = 10,076.86

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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.