Home / 11,126.95-15,355.20-6,091.38

Finding the Fourth Proportional to 11,126.95, 15,355.20 and 6,091.38

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Solution

The fourth proportional to 11,126.95, 15,355.20 and 6,091.38 is: 8,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.95 : 15,355.20 = 6,091.38 : x
  2. Step 2: Convert to fraction form
    11,126.95/15,355.20 = 6,091.38/x
  3. Step 3: Cross multiply
    11,126.95x = 15,355.20 × 6,091.38
  4. Step 4: Simplify right side
    11,126.95x = 93,534,358.18
  5. Step 5: Solve for x
    x = 93,534,358.18/11,126.95
  6. Step 6: Final answer
    x = 8,406.11

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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.