Home / 10,884.40-16,322.50-4,311.52

Finding the Fourth Proportional to 10,884.40, 16,322.50 and 4,311.52

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Solution

The fourth proportional to 10,884.40, 16,322.50 and 4,311.52 is: 6,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.40 : 16,322.50 = 4,311.52 : x
  2. Step 2: Convert to fraction form
    10,884.40/16,322.50 = 4,311.52/x
  3. Step 3: Cross multiply
    10,884.40x = 16,322.50 × 4,311.52
  4. Step 4: Simplify right side
    10,884.40x = 70,374,785.20
  5. Step 5: Solve for x
    x = 70,374,785.20/10,884.40
  6. Step 6: Final answer
    x = 6,465.66

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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.