Home / 10,175.28-14,031.84-7,663.44

Finding the Fourth Proportional to 10,175.28, 14,031.84 and 7,663.44

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Solution

The fourth proportional to 10,175.28, 14,031.84 and 7,663.44 is: 10,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.28 : 14,031.84 = 7,663.44 : x
  2. Step 2: Convert to fraction form
    10,175.28/14,031.84 = 7,663.44/x
  3. Step 3: Cross multiply
    10,175.28x = 14,031.84 × 7,663.44
  4. Step 4: Simplify right side
    10,175.28x = 107,532,163.93
  5. Step 5: Solve for x
    x = 107,532,163.93/10,175.28
  6. Step 6: Final answer
    x = 10,567.98

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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.