Home / 12,552.30-18,828.72-4,655.07

Finding the Fourth Proportional to 12,552.30, 18,828.72 and 4,655.07

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Solution

The fourth proportional to 12,552.30, 18,828.72 and 4,655.07 is: 6,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.30 : 18,828.72 = 4,655.07 : x
  2. Step 2: Convert to fraction form
    12,552.30/18,828.72 = 4,655.07/x
  3. Step 3: Cross multiply
    12,552.30x = 18,828.72 × 4,655.07
  4. Step 4: Simplify right side
    12,552.30x = 87,649,009.61
  5. Step 5: Solve for x
    x = 87,649,009.61/12,552.30
  6. Step 6: Final answer
    x = 6,982.71

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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.