Home / 9,545.13-13,169.59-6,188.09

Finding the Fourth Proportional to 9,545.13, 13,169.59 and 6,188.09

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Solution

The fourth proportional to 9,545.13, 13,169.59 and 6,188.09 is: 8,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,545.13 : 13,169.59 = 6,188.09 : x
  2. Step 2: Convert to fraction form
    9,545.13/13,169.59 = 6,188.09/x
  3. Step 3: Cross multiply
    9,545.13x = 13,169.59 × 6,188.09
  4. Step 4: Simplify right side
    9,545.13x = 81,494,526.86
  5. Step 5: Solve for x
    x = 81,494,526.86/9,545.13
  6. Step 6: Final answer
    x = 8,537.81

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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.