Home / 11,625.64-16,043.55-6,320.46

Finding the Fourth Proportional to 11,625.64, 16,043.55 and 6,320.46

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Solution

The fourth proportional to 11,625.64, 16,043.55 and 6,320.46 is: 8,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.64 : 16,043.55 = 6,320.46 : x
  2. Step 2: Convert to fraction form
    11,625.64/16,043.55 = 6,320.46/x
  3. Step 3: Cross multiply
    11,625.64x = 16,043.55 × 6,320.46
  4. Step 4: Simplify right side
    11,625.64x = 101,402,688.05
  5. Step 5: Solve for x
    x = 101,402,688.05/11,625.64
  6. Step 6: Final answer
    x = 8,722.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.