Home / 13,004.28-17,945.96-7,339.08

Finding the Fourth Proportional to 13,004.28, 17,945.96 and 7,339.08

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Solution

The fourth proportional to 13,004.28, 17,945.96 and 7,339.08 is: 10,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.28 : 17,945.96 = 7,339.08 : x
  2. Step 2: Convert to fraction form
    13,004.28/17,945.96 = 7,339.08/x
  3. Step 3: Cross multiply
    13,004.28x = 17,945.96 × 7,339.08
  4. Step 4: Simplify right side
    13,004.28x = 131,706,836.12
  5. Step 5: Solve for x
    x = 131,706,836.12/13,004.28
  6. Step 6: Final answer
    x = 10,127.96

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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.