Home / 10,054.48-15,053.58-7,581.56

Finding the Fourth Proportional to 10,054.48, 15,053.58 and 7,581.56

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Solution

The fourth proportional to 10,054.48, 15,053.58 and 7,581.56 is: 11,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,054.48 : 15,053.58 = 7,581.56 : x
  2. Step 2: Convert to fraction form
    10,054.48/15,053.58 = 7,581.56/x
  3. Step 3: Cross multiply
    10,054.48x = 15,053.58 × 7,581.56
  4. Step 4: Simplify right side
    10,054.48x = 114,129,619.98
  5. Step 5: Solve for x
    x = 114,129,619.98/10,054.48
  6. Step 6: Final answer
    x = 11,351.12

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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.