Home / 10,329.12-15,487.53-4,090.03

Finding the Fourth Proportional to 10,329.12, 15,487.53 and 4,090.03

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Solution

The fourth proportional to 10,329.12, 15,487.53 and 4,090.03 is: 6,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.12 : 15,487.53 = 4,090.03 : x
  2. Step 2: Convert to fraction form
    10,329.12/15,487.53 = 4,090.03/x
  3. Step 3: Cross multiply
    10,329.12x = 15,487.53 × 4,090.03
  4. Step 4: Simplify right side
    10,329.12x = 63,344,466.35
  5. Step 5: Solve for x
    x = 63,344,466.35/10,329.12
  6. Step 6: Final answer
    x = 6,132.61

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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.