Home / 13,163.34-18,165.06-7,195.02

Finding the Fourth Proportional to 13,163.34, 18,165.06 and 7,195.02

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Solution

The fourth proportional to 13,163.34, 18,165.06 and 7,195.02 is: 9,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.34 : 18,165.06 = 7,195.02 : x
  2. Step 2: Convert to fraction form
    13,163.34/18,165.06 = 7,195.02/x
  3. Step 3: Cross multiply
    13,163.34x = 18,165.06 × 7,195.02
  4. Step 4: Simplify right side
    13,163.34x = 130,697,970.00
  5. Step 5: Solve for x
    x = 130,697,970.00/13,163.34
  6. Step 6: Final answer
    x = 9,928.94

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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.