Home / 10,085.05-15,127.77-3,673.39

Finding the Fourth Proportional to 10,085.05, 15,127.77 and 3,673.39

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Solution

The fourth proportional to 10,085.05, 15,127.77 and 3,673.39 is: 5,510.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.05 : 15,127.77 = 3,673.39 : x
  2. Step 2: Convert to fraction form
    10,085.05/15,127.77 = 3,673.39/x
  3. Step 3: Cross multiply
    10,085.05x = 15,127.77 × 3,673.39
  4. Step 4: Simplify right side
    10,085.05x = 55,570,199.04
  5. Step 5: Solve for x
    x = 55,570,199.04/10,085.05
  6. Step 6: Final answer
    x = 5,510.16

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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.