Home / 11,191.93-15,444.90-6,156.46

Finding the Fourth Proportional to 11,191.93, 15,444.90 and 6,156.46

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Solution

The fourth proportional to 11,191.93, 15,444.90 and 6,156.46 is: 8,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.93 : 15,444.90 = 6,156.46 : x
  2. Step 2: Convert to fraction form
    11,191.93/15,444.90 = 6,156.46/x
  3. Step 3: Cross multiply
    11,191.93x = 15,444.90 × 6,156.46
  4. Step 4: Simplify right side
    11,191.93x = 95,085,909.05
  5. Step 5: Solve for x
    x = 95,085,909.05/11,191.93
  6. Step 6: Final answer
    x = 8,495.93

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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.