Home / 10,412.78-15,619.97-3,017.34

Finding the Fourth Proportional to 10,412.78, 15,619.97 and 3,017.34

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Solution

The fourth proportional to 10,412.78, 15,619.97 and 3,017.34 is: 4,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.78 : 15,619.97 = 3,017.34 : x
  2. Step 2: Convert to fraction form
    10,412.78/15,619.97 = 3,017.34/x
  3. Step 3: Cross multiply
    10,412.78x = 15,619.97 × 3,017.34
  4. Step 4: Simplify right side
    10,412.78x = 47,130,767.82
  5. Step 5: Solve for x
    x = 47,130,767.82/10,412.78
  6. Step 6: Final answer
    x = 4,526.24

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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.