Home / 10,277.12-15,421.80-4,433.60

Finding the Fourth Proportional to 10,277.12, 15,421.80 and 4,433.60

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Solution

The fourth proportional to 10,277.12, 15,421.80 and 4,433.60 is: 6,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.12 : 15,421.80 = 4,433.60 : x
  2. Step 2: Convert to fraction form
    10,277.12/15,421.80 = 4,433.60/x
  3. Step 3: Cross multiply
    10,277.12x = 15,421.80 × 4,433.60
  4. Step 4: Simplify right side
    10,277.12x = 68,374,092.48
  5. Step 5: Solve for x
    x = 68,374,092.48/10,277.12
  6. Step 6: Final answer
    x = 6,653.04

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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.