Home / 11,057.14-15,254.32-6,806.91

Finding the Fourth Proportional to 11,057.14, 15,254.32 and 6,806.91

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Solution

The fourth proportional to 11,057.14, 15,254.32 and 6,806.91 is: 9,390.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.14 : 15,254.32 = 6,806.91 : x
  2. Step 2: Convert to fraction form
    11,057.14/15,254.32 = 6,806.91/x
  3. Step 3: Cross multiply
    11,057.14x = 15,254.32 × 6,806.91
  4. Step 4: Simplify right side
    11,057.14x = 103,834,783.35
  5. Step 5: Solve for x
    x = 103,834,783.35/11,057.14
  6. Step 6: Final answer
    x = 9,390.75

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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.