Home / 12,079.23-16,669.30-6,775.02

Finding the Fourth Proportional to 12,079.23, 16,669.30 and 6,775.02

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Solution

The fourth proportional to 12,079.23, 16,669.30 and 6,775.02 is: 9,349.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.23 : 16,669.30 = 6,775.02 : x
  2. Step 2: Convert to fraction form
    12,079.23/16,669.30 = 6,775.02/x
  3. Step 3: Cross multiply
    12,079.23x = 16,669.30 × 6,775.02
  4. Step 4: Simplify right side
    12,079.23x = 112,934,840.89
  5. Step 5: Solve for x
    x = 112,934,840.89/12,079.23
  6. Step 6: Final answer
    x = 9,349.51

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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.