Home / 12,079.10-16,670.74-6,775.02

Finding the Fourth Proportional to 12,079.10, 16,670.74 and 6,775.02

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Solution

The fourth proportional to 12,079.10, 16,670.74 and 6,775.02 is: 9,350.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.10 : 16,670.74 = 6,775.02 : x
  2. Step 2: Convert to fraction form
    12,079.10/16,670.74 = 6,775.02/x
  3. Step 3: Cross multiply
    12,079.10x = 16,670.74 × 6,775.02
  4. Step 4: Simplify right side
    12,079.10x = 112,944,596.91
  5. Step 5: Solve for x
    x = 112,944,596.91/12,079.10
  6. Step 6: Final answer
    x = 9,350.41

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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.