Home / 10,551.15-15,820.44-3,529.46

Finding the Fourth Proportional to 10,551.15, 15,820.44 and 3,529.46

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Solution

The fourth proportional to 10,551.15, 15,820.44 and 3,529.46 is: 5,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.15 : 15,820.44 = 3,529.46 : x
  2. Step 2: Convert to fraction form
    10,551.15/15,820.44 = 3,529.46/x
  3. Step 3: Cross multiply
    10,551.15x = 15,820.44 × 3,529.46
  4. Step 4: Simplify right side
    10,551.15x = 55,837,531.06
  5. Step 5: Solve for x
    x = 55,837,531.06/10,551.15
  6. Step 6: Final answer
    x = 5,292.08

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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.