Home / 8,473.09-11,690.18-4,887.56

Finding the Fourth Proportional to 8,473.09, 11,690.18 and 4,887.56

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Solution

The fourth proportional to 8,473.09, 11,690.18 and 4,887.56 is: 6,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.09 : 11,690.18 = 4,887.56 : x
  2. Step 2: Convert to fraction form
    8,473.09/11,690.18 = 4,887.56/x
  3. Step 3: Cross multiply
    8,473.09x = 11,690.18 × 4,887.56
  4. Step 4: Simplify right side
    8,473.09x = 57,136,486.89
  5. Step 5: Solve for x
    x = 57,136,486.89/8,473.09
  6. Step 6: Final answer
    x = 6,743.29

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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.