Home / 12,030.60-18,042.70-3,710.60

Finding the Fourth Proportional to 12,030.60, 18,042.70 and 3,710.60

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Solution

The fourth proportional to 12,030.60, 18,042.70 and 3,710.60 is: 5,564.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.60 : 18,042.70 = 3,710.60 : x
  2. Step 2: Convert to fraction form
    12,030.60/18,042.70 = 3,710.60/x
  3. Step 3: Cross multiply
    12,030.60x = 18,042.70 × 3,710.60
  4. Step 4: Simplify right side
    12,030.60x = 66,949,242.62
  5. Step 5: Solve for x
    x = 66,949,242.62/12,030.60
  6. Step 6: Final answer
    x = 5,564.91

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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.