Home / 12,112.04-16,714.08-7,076.74

Finding the Fourth Proportional to 12,112.04, 16,714.08 and 7,076.74

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Solution

The fourth proportional to 12,112.04, 16,714.08 and 7,076.74 is: 9,765.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112.04 : 16,714.08 = 7,076.74 : x
  2. Step 2: Convert to fraction form
    12,112.04/16,714.08 = 7,076.74/x
  3. Step 3: Cross multiply
    12,112.04x = 16,714.08 × 7,076.74
  4. Step 4: Simplify right side
    12,112.04x = 118,281,198.50
  5. Step 5: Solve for x
    x = 118,281,198.50/12,112.04
  6. Step 6: Final answer
    x = 9,765.59

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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.