Home / 12,110.32-16,712.58-8,526.42

Finding the Fourth Proportional to 12,110.32, 16,712.58 and 8,526.42

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Solution

The fourth proportional to 12,110.32, 16,712.58 and 8,526.42 is: 11,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.32 : 16,712.58 = 8,526.42 : x
  2. Step 2: Convert to fraction form
    12,110.32/16,712.58 = 8,526.42/x
  3. Step 3: Cross multiply
    12,110.32x = 16,712.58 × 8,526.42
  4. Step 4: Simplify right side
    12,110.32x = 142,498,476.36
  5. Step 5: Solve for x
    x = 142,498,476.36/12,110.32
  6. Step 6: Final answer
    x = 11,766.70

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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.