Home / 10,536.96-15,807.60-3,141.12

Finding the Fourth Proportional to 10,536.96, 15,807.60 and 3,141.12

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Solution

The fourth proportional to 10,536.96, 15,807.60 and 3,141.12 is: 4,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.96 : 15,807.60 = 3,141.12 : x
  2. Step 2: Convert to fraction form
    10,536.96/15,807.60 = 3,141.12/x
  3. Step 3: Cross multiply
    10,536.96x = 15,807.60 × 3,141.12
  4. Step 4: Simplify right side
    10,536.96x = 49,653,568.51
  5. Step 5: Solve for x
    x = 49,653,568.51/10,536.96
  6. Step 6: Final answer
    x = 4,712.32

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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.