Home / 11,909.43-16,435.00-6,604.13

Finding the Fourth Proportional to 11,909.43, 16,435.00 and 6,604.13

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Solution

The fourth proportional to 11,909.43, 16,435.00 and 6,604.13 is: 9,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.43 : 16,435.00 = 6,604.13 : x
  2. Step 2: Convert to fraction form
    11,909.43/16,435.00 = 6,604.13/x
  3. Step 3: Cross multiply
    11,909.43x = 16,435.00 × 6,604.13
  4. Step 4: Simplify right side
    11,909.43x = 108,538,925.89
  5. Step 5: Solve for x
    x = 108,538,925.89/11,909.43
  6. Step 6: Final answer
    x = 9,113.70

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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.