Home / 7,699.28-11,543.38-4,731.60

Finding the Fourth Proportional to 7,699.28, 11,543.38 and 4,731.60

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Solution

The fourth proportional to 7,699.28, 11,543.38 and 4,731.60 is: 7,093.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699.28 : 11,543.38 = 4,731.60 : x
  2. Step 2: Convert to fraction form
    7,699.28/11,543.38 = 4,731.60/x
  3. Step 3: Cross multiply
    7,699.28x = 11,543.38 × 4,731.60
  4. Step 4: Simplify right side
    7,699.28x = 54,618,627.45
  5. Step 5: Solve for x
    x = 54,618,627.45/7,699.28
  6. Step 6: Final answer
    x = 7,093.99

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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.