Home / 12,031.06-16,602.80-6,725.86

Finding the Fourth Proportional to 12,031.06, 16,602.80 and 6,725.86

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Solution

The fourth proportional to 12,031.06, 16,602.80 and 6,725.86 is: 9,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.06 : 16,602.80 = 6,725.86 : x
  2. Step 2: Convert to fraction form
    12,031.06/16,602.80 = 6,725.86/x
  3. Step 3: Cross multiply
    12,031.06x = 16,602.80 × 6,725.86
  4. Step 4: Simplify right side
    12,031.06x = 111,668,108.41
  5. Step 5: Solve for x
    x = 111,668,108.41/12,031.06
  6. Step 6: Final answer
    x = 9,281.65

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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.