Home / 11,895.40-16,416.66-6,591.88

Finding the Fourth Proportional to 11,895.40, 16,416.66 and 6,591.88

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Solution

The fourth proportional to 11,895.40, 16,416.66 and 6,591.88 is: 9,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.40 : 16,416.66 = 6,591.88 : x
  2. Step 2: Convert to fraction form
    11,895.40/16,416.66 = 6,591.88/x
  3. Step 3: Cross multiply
    11,895.40x = 16,416.66 × 6,591.88
  4. Step 4: Simplify right side
    11,895.40x = 108,216,652.72
  5. Step 5: Solve for x
    x = 108,216,652.72/11,895.40
  6. Step 6: Final answer
    x = 9,097.35

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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.