Home / 11,766.12-17,652.60-4,742.50

Finding the Fourth Proportional to 11,766.12, 17,652.60 and 4,742.50

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Solution

The fourth proportional to 11,766.12, 17,652.60 and 4,742.50 is: 7,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.12 : 17,652.60 = 4,742.50 : x
  2. Step 2: Convert to fraction form
    11,766.12/17,652.60 = 4,742.50/x
  3. Step 3: Cross multiply
    11,766.12x = 17,652.60 × 4,742.50
  4. Step 4: Simplify right side
    11,766.12x = 83,717,455.50
  5. Step 5: Solve for x
    x = 83,717,455.50/11,766.12
  6. Step 6: Final answer
    x = 7,115.13

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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.