Home / 12,110.83-16,711.45-7,007.22

Finding the Fourth Proportional to 12,110.83, 16,711.45 and 7,007.22

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Solution

The fourth proportional to 12,110.83, 16,711.45 and 7,007.22 is: 9,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.83 : 16,711.45 = 7,007.22 : x
  2. Step 2: Convert to fraction form
    12,110.83/16,711.45 = 7,007.22/x
  3. Step 3: Cross multiply
    12,110.83x = 16,711.45 × 7,007.22
  4. Step 4: Simplify right side
    12,110.83x = 117,100,789.15
  5. Step 5: Solve for x
    x = 117,100,789.15/12,110.83
  6. Step 6: Final answer
    x = 9,669.10

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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.