Home / 8,644.01-11,916-6,118.29

Finding the Fourth Proportional to 8,644.01, 11,916 and 6,118.29

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Solution

The fourth proportional to 8,644.01, 11,916 and 6,118.29 is: 8,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.01 : 11,916 = 6,118.29 : x
  2. Step 2: Convert to fraction form
    8,644.01/11,916 = 6,118.29/x
  3. Step 3: Cross multiply
    8,644.01x = 11,916 × 6,118.29
  4. Step 4: Simplify right side
    8,644.01x = 72,905,543.64
  5. Step 5: Solve for x
    x = 72,905,543.64/8,644.01
  6. Step 6: Final answer
    x = 8,434.23

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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.