Home / 11,263.92-15,534.78-8,437.94

Finding the Fourth Proportional to 11,263.92, 15,534.78 and 8,437.94

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Solution

The fourth proportional to 11,263.92, 15,534.78 and 8,437.94 is: 11,637.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.92 : 15,534.78 = 8,437.94 : x
  2. Step 2: Convert to fraction form
    11,263.92/15,534.78 = 8,437.94/x
  3. Step 3: Cross multiply
    11,263.92x = 15,534.78 × 8,437.94
  4. Step 4: Simplify right side
    11,263.92x = 131,081,463.88
  5. Step 5: Solve for x
    x = 131,081,463.88/11,263.92
  6. Step 6: Final answer
    x = 11,637.29

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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.