Home / 11,622.15-16,038.68-6,316.98

Finding the Fourth Proportional to 11,622.15, 16,038.68 and 6,316.98

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Solution

The fourth proportional to 11,622.15, 16,038.68 and 6,316.98 is: 8,717.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.15 : 16,038.68 = 6,316.98 : x
  2. Step 2: Convert to fraction form
    11,622.15/16,038.68 = 6,316.98/x
  3. Step 3: Cross multiply
    11,622.15x = 16,038.68 × 6,316.98
  4. Step 4: Simplify right side
    11,622.15x = 101,315,989.20
  5. Step 5: Solve for x
    x = 101,315,989.20/11,622.15
  6. Step 6: Final answer
    x = 8,717.49

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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.