Home / 10,970.26-15,135.01-6,251.81

Finding the Fourth Proportional to 10,970.26, 15,135.01 and 6,251.81

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Solution

The fourth proportional to 10,970.26, 15,135.01 and 6,251.81 is: 8,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,970.26 : 15,135.01 = 6,251.81 : x
  2. Step 2: Convert to fraction form
    10,970.26/15,135.01 = 6,251.81/x
  3. Step 3: Cross multiply
    10,970.26x = 15,135.01 × 6,251.81
  4. Step 4: Simplify right side
    10,970.26x = 94,621,115.56
  5. Step 5: Solve for x
    x = 94,621,115.56/10,970.26
  6. Step 6: Final answer
    x = 8,625.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.