Home / 10,458.51-15,687.90-3,533.01

Finding the Fourth Proportional to 10,458.51, 15,687.90 and 3,533.01

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Solution

The fourth proportional to 10,458.51, 15,687.90 and 3,533.01 is: 5,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.51 : 15,687.90 = 3,533.01 : x
  2. Step 2: Convert to fraction form
    10,458.51/15,687.90 = 3,533.01/x
  3. Step 3: Cross multiply
    10,458.51x = 15,687.90 × 3,533.01
  4. Step 4: Simplify right side
    10,458.51x = 55,425,507.58
  5. Step 5: Solve for x
    x = 55,425,507.58/10,458.51
  6. Step 6: Final answer
    x = 5,299.56

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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.