Home / 10,909.08-15,056.28-6,194.88

Finding the Fourth Proportional to 10,909.08, 15,056.28 and 6,194.88

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Solution

The fourth proportional to 10,909.08, 15,056.28 and 6,194.88 is: 8,549.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.08 : 15,056.28 = 6,194.88 : x
  2. Step 2: Convert to fraction form
    10,909.08/15,056.28 = 6,194.88/x
  3. Step 3: Cross multiply
    10,909.08x = 15,056.28 × 6,194.88
  4. Step 4: Simplify right side
    10,909.08x = 93,271,847.85
  5. Step 5: Solve for x
    x = 93,271,847.85/10,909.08
  6. Step 6: Final answer
    x = 8,549.93

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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.