Home / 11,909.08-16,433.13-6,602.59

Finding the Fourth Proportional to 11,909.08, 16,433.13 and 6,602.59

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Solution

The fourth proportional to 11,909.08, 16,433.13 and 6,602.59 is: 9,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.08 : 16,433.13 = 6,602.59 : x
  2. Step 2: Convert to fraction form
    11,909.08/16,433.13 = 6,602.59/x
  3. Step 3: Cross multiply
    11,909.08x = 16,433.13 × 6,602.59
  4. Step 4: Simplify right side
    11,909.08x = 108,501,219.81
  5. Step 5: Solve for x
    x = 108,501,219.81/11,909.08
  6. Step 6: Final answer
    x = 9,110.80

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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.