Home / 12,461.13-18,699.84-4,669.92

Finding the Fourth Proportional to 12,461.13, 18,699.84 and 4,669.92

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Solution

The fourth proportional to 12,461.13, 18,699.84 and 4,669.92 is: 7,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.13 : 18,699.84 = 4,669.92 : x
  2. Step 2: Convert to fraction form
    12,461.13/18,699.84 = 4,669.92/x
  3. Step 3: Cross multiply
    12,461.13x = 18,699.84 × 4,669.92
  4. Step 4: Simplify right side
    12,461.13x = 87,326,756.81
  5. Step 5: Solve for x
    x = 87,326,756.81/12,461.13
  6. Step 6: Final answer
    x = 7,007.93

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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.