Home / 13,305.97-18,362.36-7,337.86

Finding the Fourth Proportional to 13,305.97, 18,362.36 and 7,337.86

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Solution

The fourth proportional to 13,305.97, 18,362.36 and 7,337.86 is: 10,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.97 : 18,362.36 = 7,337.86 : x
  2. Step 2: Convert to fraction form
    13,305.97/18,362.36 = 7,337.86/x
  3. Step 3: Cross multiply
    13,305.97x = 18,362.36 × 7,337.86
  4. Step 4: Simplify right side
    13,305.97x = 134,740,426.95
  5. Step 5: Solve for x
    x = 134,740,426.95/13,305.97
  6. Step 6: Final answer
    x = 10,126.31

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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.