Home / 10,909.13-15,054.62-6,193.42

Finding the Fourth Proportional to 10,909.13, 15,054.62 and 6,193.42

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Solution

The fourth proportional to 10,909.13, 15,054.62 and 6,193.42 is: 8,546.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.13 : 15,054.62 = 6,193.42 : x
  2. Step 2: Convert to fraction form
    10,909.13/15,054.62 = 6,193.42/x
  3. Step 3: Cross multiply
    10,909.13x = 15,054.62 × 6,193.42
  4. Step 4: Simplify right side
    10,909.13x = 93,239,502.90
  5. Step 5: Solve for x
    x = 93,239,502.90/10,909.13
  6. Step 6: Final answer
    x = 8,546.92

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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.