Home / 10,435.23-15,653.47-3,415.97

Finding the Fourth Proportional to 10,435.23, 15,653.47 and 3,415.97

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Solution

The fourth proportional to 10,435.23, 15,653.47 and 3,415.97 is: 5,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.23 : 15,653.47 = 3,415.97 : x
  2. Step 2: Convert to fraction form
    10,435.23/15,653.47 = 3,415.97/x
  3. Step 3: Cross multiply
    10,435.23x = 15,653.47 × 3,415.97
  4. Step 4: Simplify right side
    10,435.23x = 53,471,814.51
  5. Step 5: Solve for x
    x = 53,471,814.51/10,435.23
  6. Step 6: Final answer
    x = 5,124.16

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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.