Home / 10,913.20-16,365.60-4,669.24

Finding the Fourth Proportional to 10,913.20, 16,365.60 and 4,669.24

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Solution

The fourth proportional to 10,913.20, 16,365.60 and 4,669.24 is: 7,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.20 : 16,365.60 = 4,669.24 : x
  2. Step 2: Convert to fraction form
    10,913.20/16,365.60 = 4,669.24/x
  3. Step 3: Cross multiply
    10,913.20x = 16,365.60 × 4,669.24
  4. Step 4: Simplify right side
    10,913.20x = 76,414,914.14
  5. Step 5: Solve for x
    x = 76,414,914.14/10,913.20
  6. Step 6: Final answer
    x = 7,002.06

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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.