Home / 12,358.02-18,537.03-3,124.02

Finding the Fourth Proportional to 12,358.02, 18,537.03 and 3,124.02

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Solution

The fourth proportional to 12,358.02, 18,537.03 and 3,124.02 is: 4,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.02 : 18,537.03 = 3,124.02 : x
  2. Step 2: Convert to fraction form
    12,358.02/18,537.03 = 3,124.02/x
  3. Step 3: Cross multiply
    12,358.02x = 18,537.03 × 3,124.02
  4. Step 4: Simplify right side
    12,358.02x = 57,910,052.46
  5. Step 5: Solve for x
    x = 57,910,052.46/12,358.02
  6. Step 6: Final answer
    x = 4,686.03

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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.