Home / 9,360.10-12,919.11-6,173.97

Finding the Fourth Proportional to 9,360.10, 12,919.11 and 6,173.97

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Solution

The fourth proportional to 9,360.10, 12,919.11 and 6,173.97 is: 8,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.10 : 12,919.11 = 6,173.97 : x
  2. Step 2: Convert to fraction form
    9,360.10/12,919.11 = 6,173.97/x
  3. Step 3: Cross multiply
    9,360.10x = 12,919.11 × 6,173.97
  4. Step 4: Simplify right side
    9,360.10x = 79,762,197.57
  5. Step 5: Solve for x
    x = 79,762,197.57/9,360.10
  6. Step 6: Final answer
    x = 8,521.51

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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.