Home / 11,153.28-15,392.52-6,118.48

Finding the Fourth Proportional to 11,153.28, 15,392.52 and 6,118.48

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Solution

The fourth proportional to 11,153.28, 15,392.52 and 6,118.48 is: 8,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.28 : 15,392.52 = 6,118.48 : x
  2. Step 2: Convert to fraction form
    11,153.28/15,392.52 = 6,118.48/x
  3. Step 3: Cross multiply
    11,153.28x = 15,392.52 × 6,118.48
  4. Step 4: Simplify right side
    11,153.28x = 94,178,845.01
  5. Step 5: Solve for x
    x = 94,178,845.01/11,153.28
  6. Step 6: Final answer
    x = 8,444.05

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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.