Home / 9,158.58-12,649.23-6,169.23

Finding the Fourth Proportional to 9,158.58, 12,649.23 and 6,169.23

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Solution

The fourth proportional to 9,158.58, 12,649.23 and 6,169.23 is: 8,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.58 : 12,649.23 = 6,169.23 : x
  2. Step 2: Convert to fraction form
    9,158.58/12,649.23 = 6,169.23/x
  3. Step 3: Cross multiply
    9,158.58x = 12,649.23 × 6,169.23
  4. Step 4: Simplify right side
    9,158.58x = 78,036,009.19
  5. Step 5: Solve for x
    x = 78,036,009.19/9,158.58
  6. Step 6: Final answer
    x = 8,520.54

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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.