Home / 7,173.12-10,759.68-3,474.72

Finding the Fourth Proportional to 7,173.12, 10,759.68 and 3,474.72

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Solution

The fourth proportional to 7,173.12, 10,759.68 and 3,474.72 is: 5,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.12 : 10,759.68 = 3,474.72 : x
  2. Step 2: Convert to fraction form
    7,173.12/10,759.68 = 3,474.72/x
  3. Step 3: Cross multiply
    7,173.12x = 10,759.68 × 3,474.72
  4. Step 4: Simplify right side
    7,173.12x = 37,386,875.29
  5. Step 5: Solve for x
    x = 37,386,875.29/7,173.12
  6. Step 6: Final answer
    x = 5,212.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.