Home / 12,366.83-18,551.10-4,971.30

Finding the Fourth Proportional to 12,366.83, 18,551.10 and 4,971.30

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Solution

The fourth proportional to 12,366.83, 18,551.10 and 4,971.30 is: 7,457.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.83 : 18,551.10 = 4,971.30 : x
  2. Step 2: Convert to fraction form
    12,366.83/18,551.10 = 4,971.30/x
  3. Step 3: Cross multiply
    12,366.83x = 18,551.10 × 4,971.30
  4. Step 4: Simplify right side
    12,366.83x = 92,222,965.82
  5. Step 5: Solve for x
    x = 92,222,965.82/12,366.83
  6. Step 6: Final answer
    x = 7,457.28

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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.