Home / 11,191.92-15,444.60-6,476.10

Finding the Fourth Proportional to 11,191.92, 15,444.60 and 6,476.10

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Solution

The fourth proportional to 11,191.92, 15,444.60 and 6,476.10 is: 8,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.92 : 15,444.60 = 6,476.10 : x
  2. Step 2: Convert to fraction form
    11,191.92/15,444.60 = 6,476.10/x
  3. Step 3: Cross multiply
    11,191.92x = 15,444.60 × 6,476.10
  4. Step 4: Simplify right side
    11,191.92x = 100,020,774.06
  5. Step 5: Solve for x
    x = 100,020,774.06/11,191.92
  6. Step 6: Final answer
    x = 8,936.87

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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.