Home / 12,070.17-16,656.92-6,765.21

Finding the Fourth Proportional to 12,070.17, 16,656.92 and 6,765.21

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Solution

The fourth proportional to 12,070.17, 16,656.92 and 6,765.21 is: 9,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.17 : 16,656.92 = 6,765.21 : x
  2. Step 2: Convert to fraction form
    12,070.17/16,656.92 = 6,765.21/x
  3. Step 3: Cross multiply
    12,070.17x = 16,656.92 × 6,765.21
  4. Step 4: Simplify right side
    12,070.17x = 112,687,527.93
  5. Step 5: Solve for x
    x = 112,687,527.93/12,070.17
  6. Step 6: Final answer
    x = 9,336.03

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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.