Home / 10,435.84-15,653.07-4,890.43

Finding the Fourth Proportional to 10,435.84, 15,653.07 and 4,890.43

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Solution

The fourth proportional to 10,435.84, 15,653.07 and 4,890.43 is: 7,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.84 : 15,653.07 = 4,890.43 : x
  2. Step 2: Convert to fraction form
    10,435.84/15,653.07 = 4,890.43/x
  3. Step 3: Cross multiply
    10,435.84x = 15,653.07 × 4,890.43
  4. Step 4: Simplify right side
    10,435.84x = 76,550,243.12
  5. Step 5: Solve for x
    x = 76,550,243.12/10,435.84
  6. Step 6: Final answer
    x = 7,335.32

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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.