Home / 10,435.91-15,631.92-7,505.33

Finding the Fourth Proportional to 10,435.91, 15,631.92 and 7,505.33

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Solution

The fourth proportional to 10,435.91, 15,631.92 and 7,505.33 is: 11,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.91 : 15,631.92 = 7,505.33 : x
  2. Step 2: Convert to fraction form
    10,435.91/15,631.92 = 7,505.33/x
  3. Step 3: Cross multiply
    10,435.91x = 15,631.92 × 7,505.33
  4. Step 4: Simplify right side
    10,435.91x = 117,322,639.97
  5. Step 5: Solve for x
    x = 117,322,639.97/10,435.91
  6. Step 6: Final answer
    x = 11,242.21

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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.