Home / 10,477.49-15,720.87-4,241.96

Finding the Fourth Proportional to 10,477.49, 15,720.87 and 4,241.96

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Solution

The fourth proportional to 10,477.49, 15,720.87 and 4,241.96 is: 6,364.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.49 : 15,720.87 = 4,241.96 : x
  2. Step 2: Convert to fraction form
    10,477.49/15,720.87 = 4,241.96/x
  3. Step 3: Cross multiply
    10,477.49x = 15,720.87 × 4,241.96
  4. Step 4: Simplify right side
    10,477.49x = 66,687,301.71
  5. Step 5: Solve for x
    x = 66,687,301.71/10,477.49
  6. Step 6: Final answer
    x = 6,364.82

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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.