Home / 10,420.19-15,629.67-3,024.48

Finding the Fourth Proportional to 10,420.19, 15,629.67 and 3,024.48

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Solution

The fourth proportional to 10,420.19, 15,629.67 and 3,024.48 is: 4,536.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.19 : 15,629.67 = 3,024.48 : x
  2. Step 2: Convert to fraction form
    10,420.19/15,629.67 = 3,024.48/x
  3. Step 3: Cross multiply
    10,420.19x = 15,629.67 × 3,024.48
  4. Step 4: Simplify right side
    10,420.19x = 47,271,624.32
  5. Step 5: Solve for x
    x = 47,271,624.32/10,420.19
  6. Step 6: Final answer
    x = 4,536.54

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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.