Home / 7,917.48-10,921.26-4,773

Finding the Fourth Proportional to 7,917.48, 10,921.26 and 4,773

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Solution

The fourth proportional to 7,917.48, 10,921.26 and 4,773 is: 6,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.48 : 10,921.26 = 4,773 : x
  2. Step 2: Convert to fraction form
    7,917.48/10,921.26 = 4,773/x
  3. Step 3: Cross multiply
    7,917.48x = 10,921.26 × 4,773
  4. Step 4: Simplify right side
    7,917.48x = 52,127,173.98
  5. Step 5: Solve for x
    x = 52,127,173.98/7,917.48
  6. Step 6: Final answer
    x = 6,583.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.