Home / 12,610.10-18,916.37-4,713.05

Finding the Fourth Proportional to 12,610.10, 18,916.37 and 4,713.05

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Solution

The fourth proportional to 12,610.10, 18,916.37 and 4,713.05 is: 7,070.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.10 : 18,916.37 = 4,713.05 : x
  2. Step 2: Convert to fraction form
    12,610.10/18,916.37 = 4,713.05/x
  3. Step 3: Cross multiply
    12,610.10x = 18,916.37 × 4,713.05
  4. Step 4: Simplify right side
    12,610.10x = 89,153,774.06
  5. Step 5: Solve for x
    x = 89,153,774.06/12,610.10
  6. Step 6: Final answer
    x = 7,070.03

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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.