Home / 8,996.18-12,416.24-5,461.75

Finding the Fourth Proportional to 8,996.18, 12,416.24 and 5,461.75

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Solution

The fourth proportional to 8,996.18, 12,416.24 and 5,461.75 is: 7,538.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.18 : 12,416.24 = 5,461.75 : x
  2. Step 2: Convert to fraction form
    8,996.18/12,416.24 = 5,461.75/x
  3. Step 3: Cross multiply
    8,996.18x = 12,416.24 × 5,461.75
  4. Step 4: Simplify right side
    8,996.18x = 67,814,309.43
  5. Step 5: Solve for x
    x = 67,814,309.43/8,996.18
  6. Step 6: Final answer
    x = 7,538.12

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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.