Home / 12,402.63-18,603.84-5,001.87

Finding the Fourth Proportional to 12,402.63, 18,603.84 and 5,001.87

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Solution

The fourth proportional to 12,402.63, 18,603.84 and 5,001.87 is: 7,502.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.63 : 18,603.84 = 5,001.87 : x
  2. Step 2: Convert to fraction form
    12,402.63/18,603.84 = 5,001.87/x
  3. Step 3: Cross multiply
    12,402.63x = 18,603.84 × 5,001.87
  4. Step 4: Simplify right side
    12,402.63x = 93,053,989.18
  5. Step 5: Solve for x
    x = 93,053,989.18/12,402.63
  6. Step 6: Final answer
    x = 7,502.76

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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.