Home / 12,079.06-16,669.10-7,043.50

Finding the Fourth Proportional to 12,079.06, 16,669.10 and 7,043.50

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Solution

The fourth proportional to 12,079.06, 16,669.10 and 7,043.50 is: 9,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.06 : 16,669.10 = 7,043.50 : x
  2. Step 2: Convert to fraction form
    12,079.06/16,669.10 = 7,043.50/x
  3. Step 3: Cross multiply
    12,079.06x = 16,669.10 × 7,043.50
  4. Step 4: Simplify right side
    12,079.06x = 117,408,805.85
  5. Step 5: Solve for x
    x = 117,408,805.85/12,079.06
  6. Step 6: Final answer
    x = 9,720.03

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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.