Home / 10,868.72-16,303.62-4,629.56

Finding the Fourth Proportional to 10,868.72, 16,303.62 and 4,629.56

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Solution

The fourth proportional to 10,868.72, 16,303.62 and 4,629.56 is: 6,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.72 : 16,303.62 = 4,629.56 : x
  2. Step 2: Convert to fraction form
    10,868.72/16,303.62 = 4,629.56/x
  3. Step 3: Cross multiply
    10,868.72x = 16,303.62 × 4,629.56
  4. Step 4: Simplify right side
    10,868.72x = 75,478,587.01
  5. Step 5: Solve for x
    x = 75,478,587.01/10,868.72
  6. Step 6: Final answer
    x = 6,944.57

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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.