Home / 11,835.40-17,752.86-3,070.36

Finding the Fourth Proportional to 11,835.40, 17,752.86 and 3,070.36

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Solution

The fourth proportional to 11,835.40, 17,752.86 and 3,070.36 is: 4,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.40 : 17,752.86 = 3,070.36 : x
  2. Step 2: Convert to fraction form
    11,835.40/17,752.86 = 3,070.36/x
  3. Step 3: Cross multiply
    11,835.40x = 17,752.86 × 3,070.36
  4. Step 4: Simplify right side
    11,835.40x = 54,507,671.23
  5. Step 5: Solve for x
    x = 54,507,671.23/11,835.40
  6. Step 6: Final answer
    x = 4,605.48

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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.