Home / 13,173.48-18,179.02-7,205.02

Finding the Fourth Proportional to 13,173.48, 18,179.02 and 7,205.02

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Solution

The fourth proportional to 13,173.48, 18,179.02 and 7,205.02 is: 9,942.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.48 : 18,179.02 = 7,205.02 : x
  2. Step 2: Convert to fraction form
    13,173.48/18,179.02 = 7,205.02/x
  3. Step 3: Cross multiply
    13,173.48x = 18,179.02 × 7,205.02
  4. Step 4: Simplify right side
    13,173.48x = 130,980,207.39
  5. Step 5: Solve for x
    x = 130,980,207.39/13,173.48
  6. Step 6: Final answer
    x = 9,942.72

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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.