Home / 11,287.36-16,926.18-4,357

Finding the Fourth Proportional to 11,287.36, 16,926.18 and 4,357

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Solution

The fourth proportional to 11,287.36, 16,926.18 and 4,357 is: 6,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.36 : 16,926.18 = 4,357 : x
  2. Step 2: Convert to fraction form
    11,287.36/16,926.18 = 4,357/x
  3. Step 3: Cross multiply
    11,287.36x = 16,926.18 × 4,357
  4. Step 4: Simplify right side
    11,287.36x = 73,747,366.26
  5. Step 5: Solve for x
    x = 73,747,366.26/11,287.36
  6. Step 6: Final answer
    x = 6,533.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.