Home / 10,533.31-15,798.91-2,742.13

Finding the Fourth Proportional to 10,533.31, 15,798.91 and 2,742.13

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Solution

The fourth proportional to 10,533.31, 15,798.91 and 2,742.13 is: 4,112.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.31 : 15,798.91 = 2,742.13 : x
  2. Step 2: Convert to fraction form
    10,533.31/15,798.91 = 2,742.13/x
  3. Step 3: Cross multiply
    10,533.31x = 15,798.91 × 2,742.13
  4. Step 4: Simplify right side
    10,533.31x = 43,322,665.08
  5. Step 5: Solve for x
    x = 43,322,665.08/10,533.31
  6. Step 6: Final answer
    x = 4,112.92

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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.