Home / 12,026.70-16,597.56-6,721.86

Finding the Fourth Proportional to 12,026.70, 16,597.56 and 6,721.86

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Solution

The fourth proportional to 12,026.70, 16,597.56 and 6,721.86 is: 9,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.70 : 16,597.56 = 6,721.86 : x
  2. Step 2: Convert to fraction form
    12,026.70/16,597.56 = 6,721.86/x
  3. Step 3: Cross multiply
    12,026.70x = 16,597.56 × 6,721.86
  4. Step 4: Simplify right side
    12,026.70x = 111,566,474.66
  5. Step 5: Solve for x
    x = 111,566,474.66/12,026.70
  6. Step 6: Final answer
    x = 9,276.57

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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.