Home / 12,492.48-18,738.45-4,058.99

Finding the Fourth Proportional to 12,492.48, 18,738.45 and 4,058.99

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Solution

The fourth proportional to 12,492.48, 18,738.45 and 4,058.99 is: 6,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492.48 : 18,738.45 = 4,058.99 : x
  2. Step 2: Convert to fraction form
    12,492.48/18,738.45 = 4,058.99/x
  3. Step 3: Cross multiply
    12,492.48x = 18,738.45 × 4,058.99
  4. Step 4: Simplify right side
    12,492.48x = 76,059,087.47
  5. Step 5: Solve for x
    x = 76,059,087.47/12,492.48
  6. Step 6: Final answer
    x = 6,088.39

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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.