Home / 10,850.21-14,974.40-6,601.57

Finding the Fourth Proportional to 10,850.21, 14,974.40 and 6,601.57

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Solution

The fourth proportional to 10,850.21, 14,974.40 and 6,601.57 is: 9,110.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.21 : 14,974.40 = 6,601.57 : x
  2. Step 2: Convert to fraction form
    10,850.21/14,974.40 = 6,601.57/x
  3. Step 3: Cross multiply
    10,850.21x = 14,974.40 × 6,601.57
  4. Step 4: Simplify right side
    10,850.21x = 98,854,549.81
  5. Step 5: Solve for x
    x = 98,854,549.81/10,850.21
  6. Step 6: Final answer
    x = 9,110.84

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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.