Home / 10,958.75-15,123.08-6,245.77

Finding the Fourth Proportional to 10,958.75, 15,123.08 and 6,245.77

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Solution

The fourth proportional to 10,958.75, 15,123.08 and 6,245.77 is: 8,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.75 : 15,123.08 = 6,245.77 : x
  2. Step 2: Convert to fraction form
    10,958.75/15,123.08 = 6,245.77/x
  3. Step 3: Cross multiply
    10,958.75x = 15,123.08 × 6,245.77
  4. Step 4: Simplify right side
    10,958.75x = 94,455,279.37
  5. Step 5: Solve for x
    x = 94,455,279.37/10,958.75
  6. Step 6: Final answer
    x = 8,619.17

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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.