Home / 9,020.22-13,530.47-3,176.90

Finding the Fourth Proportional to 9,020.22, 13,530.47 and 3,176.90

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Solution

The fourth proportional to 9,020.22, 13,530.47 and 3,176.90 is: 4,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.22 : 13,530.47 = 3,176.90 : x
  2. Step 2: Convert to fraction form
    9,020.22/13,530.47 = 3,176.90/x
  3. Step 3: Cross multiply
    9,020.22x = 13,530.47 × 3,176.90
  4. Step 4: Simplify right side
    9,020.22x = 42,984,950.14
  5. Step 5: Solve for x
    x = 42,984,950.14/9,020.22
  6. Step 6: Final answer
    x = 4,765.40

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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.