Home / 10,607.20-15,910.80-5,941.60

Finding the Fourth Proportional to 10,607.20, 15,910.80 and 5,941.60

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Solution

The fourth proportional to 10,607.20, 15,910.80 and 5,941.60 is: 8,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,607.20 : 15,910.80 = 5,941.60 : x
  2. Step 2: Convert to fraction form
    10,607.20/15,910.80 = 5,941.60/x
  3. Step 3: Cross multiply
    10,607.20x = 15,910.80 × 5,941.60
  4. Step 4: Simplify right side
    10,607.20x = 94,535,609.28
  5. Step 5: Solve for x
    x = 94,535,609.28/10,607.20
  6. Step 6: Final answer
    x = 8,912.40

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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.