Home / 9,090.02-13,631.65-3,165.38

Finding the Fourth Proportional to 9,090.02, 13,631.65 and 3,165.38

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Solution

The fourth proportional to 9,090.02, 13,631.65 and 3,165.38 is: 4,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.02 : 13,631.65 = 3,165.38 : x
  2. Step 2: Convert to fraction form
    9,090.02/13,631.65 = 3,165.38/x
  3. Step 3: Cross multiply
    9,090.02x = 13,631.65 × 3,165.38
  4. Step 4: Simplify right side
    9,090.02x = 43,149,363.38
  5. Step 5: Solve for x
    x = 43,149,363.38/9,090.02
  6. Step 6: Final answer
    x = 4,746.90

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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.