Home / 10,555.86-15,828.48-3,533.43

Finding the Fourth Proportional to 10,555.86, 15,828.48 and 3,533.43

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Solution

The fourth proportional to 10,555.86, 15,828.48 and 3,533.43 is: 5,298.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.86 : 15,828.48 = 3,533.43 : x
  2. Step 2: Convert to fraction form
    10,555.86/15,828.48 = 3,533.43/x
  3. Step 3: Cross multiply
    10,555.86x = 15,828.48 × 3,533.43
  4. Step 4: Simplify right side
    10,555.86x = 55,928,826.09
  5. Step 5: Solve for x
    x = 55,928,826.09/10,555.86
  6. Step 6: Final answer
    x = 5,298.37

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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.