Home / 12,004.38-16,566.45-6,700.20

Finding the Fourth Proportional to 12,004.38, 16,566.45 and 6,700.20

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Solution

The fourth proportional to 12,004.38, 16,566.45 and 6,700.20 is: 9,246.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.38 : 16,566.45 = 6,700.20 : x
  2. Step 2: Convert to fraction form
    12,004.38/16,566.45 = 6,700.20/x
  3. Step 3: Cross multiply
    12,004.38x = 16,566.45 × 6,700.20
  4. Step 4: Simplify right side
    12,004.38x = 110,998,528.29
  5. Step 5: Solve for x
    x = 110,998,528.29/12,004.38
  6. Step 6: Final answer
    x = 9,246.50

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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.