Home / 11,854.12-17,783.77-4,458.57

Finding the Fourth Proportional to 11,854.12, 17,783.77 and 4,458.57

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Solution

The fourth proportional to 11,854.12, 17,783.77 and 4,458.57 is: 6,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.12 : 17,783.77 = 4,458.57 : x
  2. Step 2: Convert to fraction form
    11,854.12/17,783.77 = 4,458.57/x
  3. Step 3: Cross multiply
    11,854.12x = 17,783.77 × 4,458.57
  4. Step 4: Simplify right side
    11,854.12x = 79,290,172.26
  5. Step 5: Solve for x
    x = 79,290,172.26/11,854.12
  6. Step 6: Final answer
    x = 6,688.83

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1.5x scale

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.