Home / 8,850.24-12,186.98-8,653.79

Finding the Fourth Proportional to 8,850.24, 12,186.98 and 8,653.79

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Solution

The fourth proportional to 8,850.24, 12,186.98 and 8,653.79 is: 11,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.24 : 12,186.98 = 8,653.79 : x
  2. Step 2: Convert to fraction form
    8,850.24/12,186.98 = 8,653.79/x
  3. Step 3: Cross multiply
    8,850.24x = 12,186.98 × 8,653.79
  4. Step 4: Simplify right side
    8,850.24x = 105,463,541.09
  5. Step 5: Solve for x
    x = 105,463,541.09/8,850.24
  6. Step 6: Final answer
    x = 11,916.46

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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.