Home / 9,113.72-13,665.11-3,566.03

Finding the Fourth Proportional to 9,113.72, 13,665.11 and 3,566.03

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Solution

The fourth proportional to 9,113.72, 13,665.11 and 3,566.03 is: 5,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.72 : 13,665.11 = 3,566.03 : x
  2. Step 2: Convert to fraction form
    9,113.72/13,665.11 = 3,566.03/x
  3. Step 3: Cross multiply
    9,113.72x = 13,665.11 × 3,566.03
  4. Step 4: Simplify right side
    9,113.72x = 48,730,106.06
  5. Step 5: Solve for x
    x = 48,730,106.06/9,113.72
  6. Step 6: Final answer
    x = 5,346.90

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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.