Home / 12,004.70-16,565.67-6,626.88

Finding the Fourth Proportional to 12,004.70, 16,565.67 and 6,626.88

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Solution

The fourth proportional to 12,004.70, 16,565.67 and 6,626.88 is: 9,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.70 : 16,565.67 = 6,626.88 : x
  2. Step 2: Convert to fraction form
    12,004.70/16,565.67 = 6,626.88/x
  3. Step 3: Cross multiply
    12,004.70x = 16,565.67 × 6,626.88
  4. Step 4: Simplify right side
    12,004.70x = 109,778,707.21
  5. Step 5: Solve for x
    x = 109,778,707.21/12,004.70
  6. Step 6: Final answer
    x = 9,144.65

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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.