Home / 12,476.08-18,717.77-4,685.50

Finding the Fourth Proportional to 12,476.08, 18,717.77 and 4,685.50

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Solution

The fourth proportional to 12,476.08, 18,717.77 and 4,685.50 is: 7,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.08 : 18,717.77 = 4,685.50 : x
  2. Step 2: Convert to fraction form
    12,476.08/18,717.77 = 4,685.50/x
  3. Step 3: Cross multiply
    12,476.08x = 18,717.77 × 4,685.50
  4. Step 4: Simplify right side
    12,476.08x = 87,702,111.34
  5. Step 5: Solve for x
    x = 87,702,111.34/12,476.08
  6. Step 6: Final answer
    x = 7,029.62

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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.