Home / 11,778.12-16,260.48-7,303.68

Finding the Fourth Proportional to 11,778.12, 16,260.48 and 7,303.68

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Solution

The fourth proportional to 11,778.12, 16,260.48 and 7,303.68 is: 10,083.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.12 : 16,260.48 = 7,303.68 : x
  2. Step 2: Convert to fraction form
    11,778.12/16,260.48 = 7,303.68/x
  3. Step 3: Cross multiply
    11,778.12x = 16,260.48 × 7,303.68
  4. Step 4: Simplify right side
    11,778.12x = 118,761,342.57
  5. Step 5: Solve for x
    x = 118,761,342.57/11,778.12
  6. Step 6: Final answer
    x = 10,083.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.