Home / 10,619.75-15,946.07-5,699.00

Finding the Fourth Proportional to 10,619.75, 15,946.07 and 5,699.00

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Solution

The fourth proportional to 10,619.75, 15,946.07 and 5,699.00 is: 8,557.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.75 : 15,946.07 = 5,699.00 : x
  2. Step 2: Convert to fraction form
    10,619.75/15,946.07 = 5,699.00/x
  3. Step 3: Cross multiply
    10,619.75x = 15,946.07 × 5,699.00
  4. Step 4: Simplify right side
    10,619.75x = 90,876,544.70
  5. Step 5: Solve for x
    x = 90,876,544.70/10,619.75
  6. Step 6: Final answer
    x = 8,557.32

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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.