Home / 10,473.76-15,708.36-3,720.25

Finding the Fourth Proportional to 10,473.76, 15,708.36 and 3,720.25

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Solution

The fourth proportional to 10,473.76, 15,708.36 and 3,720.25 is: 5,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.76 : 15,708.36 = 3,720.25 : x
  2. Step 2: Convert to fraction form
    10,473.76/15,708.36 = 3,720.25/x
  3. Step 3: Cross multiply
    10,473.76x = 15,708.36 × 3,720.25
  4. Step 4: Simplify right side
    10,473.76x = 58,439,026.29
  5. Step 5: Solve for x
    x = 58,439,026.29/10,473.76
  6. Step 6: Final answer
    x = 5,579.57

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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.