Home / 10,040.15-15,039.77-4,759.16

Finding the Fourth Proportional to 10,040.15, 15,039.77 and 4,759.16

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Solution

The fourth proportional to 10,040.15, 15,039.77 and 4,759.16 is: 7,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.15 : 15,039.77 = 4,759.16 : x
  2. Step 2: Convert to fraction form
    10,040.15/15,039.77 = 4,759.16/x
  3. Step 3: Cross multiply
    10,040.15x = 15,039.77 × 4,759.16
  4. Step 4: Simplify right side
    10,040.15x = 71,576,572.80
  5. Step 5: Solve for x
    x = 71,576,572.80/10,040.15
  6. Step 6: Final answer
    x = 7,129.03

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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.