Home / 11,168.07-16,752.48-5,618.39

Finding the Fourth Proportional to 11,168.07, 16,752.48 and 5,618.39

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Solution

The fourth proportional to 11,168.07, 16,752.48 and 5,618.39 is: 8,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.07 : 16,752.48 = 5,618.39 : x
  2. Step 2: Convert to fraction form
    11,168.07/16,752.48 = 5,618.39/x
  3. Step 3: Cross multiply
    11,168.07x = 16,752.48 × 5,618.39
  4. Step 4: Simplify right side
    11,168.07x = 94,121,966.11
  5. Step 5: Solve for x
    x = 94,121,966.11/11,168.07
  6. Step 6: Final answer
    x = 8,427.77

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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.