Home / 10,883.36-16,315.32-4,305.05

Finding the Fourth Proportional to 10,883.36, 16,315.32 and 4,305.05

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Solution

The fourth proportional to 10,883.36, 16,315.32 and 4,305.05 is: 6,453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.36 : 16,315.32 = 4,305.05 : x
  2. Step 2: Convert to fraction form
    10,883.36/16,315.32 = 4,305.05/x
  3. Step 3: Cross multiply
    10,883.36x = 16,315.32 × 4,305.05
  4. Step 4: Simplify right side
    10,883.36x = 70,238,264.12
  5. Step 5: Solve for x
    x = 70,238,264.12/10,883.36
  6. Step 6: Final answer
    x = 6,453.73

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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.