Home / 10,538.88-14,525.64-8,176.56

Finding the Fourth Proportional to 10,538.88, 14,525.64 and 8,176.56

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Solution

The fourth proportional to 10,538.88, 14,525.64 and 8,176.56 is: 11,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.88 : 14,525.64 = 8,176.56 : x
  2. Step 2: Convert to fraction form
    10,538.88/14,525.64 = 8,176.56/x
  3. Step 3: Cross multiply
    10,538.88x = 14,525.64 × 8,176.56
  4. Step 4: Simplify right side
    10,538.88x = 118,769,767.00
  5. Step 5: Solve for x
    x = 118,769,767.00/10,538.88
  6. Step 6: Final answer
    x = 11,269.68

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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.