Home / 10,080.79-15,125.52-3,503.39

Finding the Fourth Proportional to 10,080.79, 15,125.52 and 3,503.39

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Solution

The fourth proportional to 10,080.79, 15,125.52 and 3,503.39 is: 5,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.79 : 15,125.52 = 3,503.39 : x
  2. Step 2: Convert to fraction form
    10,080.79/15,125.52 = 3,503.39/x
  3. Step 3: Cross multiply
    10,080.79x = 15,125.52 × 3,503.39
  4. Step 4: Simplify right side
    10,080.79x = 52,990,595.51
  5. Step 5: Solve for x
    x = 52,990,595.51/10,080.79
  6. Step 6: Final answer
    x = 5,256.59

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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.