Home / 11,154.94-15,393.55-6,119.12

Finding the Fourth Proportional to 11,154.94, 15,393.55 and 6,119.12

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Solution

The fourth proportional to 11,154.94, 15,393.55 and 6,119.12 is: 8,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.94 : 15,393.55 = 6,119.12 : x
  2. Step 2: Convert to fraction form
    11,154.94/15,393.55 = 6,119.12/x
  3. Step 3: Cross multiply
    11,154.94x = 15,393.55 × 6,119.12
  4. Step 4: Simplify right side
    11,154.94x = 94,194,956.49
  5. Step 5: Solve for x
    x = 94,194,956.49/11,154.94
  6. Step 6: Final answer
    x = 8,444.24

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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.