Home / 13,301.46-18,359.73-7,713.54

Finding the Fourth Proportional to 13,301.46, 18,359.73 and 7,713.54

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Solution

The fourth proportional to 13,301.46, 18,359.73 and 7,713.54 is: 10,646.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.46 : 18,359.73 = 7,713.54 : x
  2. Step 2: Convert to fraction form
    13,301.46/18,359.73 = 7,713.54/x
  3. Step 3: Cross multiply
    13,301.46x = 18,359.73 × 7,713.54
  4. Step 4: Simplify right side
    13,301.46x = 141,618,511.74
  5. Step 5: Solve for x
    x = 141,618,511.74/13,301.46
  6. Step 6: Final answer
    x = 10,646.84

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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.