Home / 10,321.76-15,507.96-6,625.52

Finding the Fourth Proportional to 10,321.76, 15,507.96 and 6,625.52

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Solution

The fourth proportional to 10,321.76, 15,507.96 and 6,625.52 is: 9,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.76 : 15,507.96 = 6,625.52 : x
  2. Step 2: Convert to fraction form
    10,321.76/15,507.96 = 6,625.52/x
  3. Step 3: Cross multiply
    10,321.76x = 15,507.96 × 6,625.52
  4. Step 4: Simplify right side
    10,321.76x = 102,748,299.14
  5. Step 5: Solve for x
    x = 102,748,299.14/10,321.76
  6. Step 6: Final answer
    x = 9,954.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.