Home / 10,600.64-15,900.96-4,757.12

Finding the Fourth Proportional to 10,600.64, 15,900.96 and 4,757.12

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Solution

The fourth proportional to 10,600.64, 15,900.96 and 4,757.12 is: 7,135.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,600.64 : 15,900.96 = 4,757.12 : x
  2. Step 2: Convert to fraction form
    10,600.64/15,900.96 = 4,757.12/x
  3. Step 3: Cross multiply
    10,600.64x = 15,900.96 × 4,757.12
  4. Step 4: Simplify right side
    10,600.64x = 75,642,774.84
  5. Step 5: Solve for x
    x = 75,642,774.84/10,600.64
  6. Step 6: Final answer
    x = 7,135.68

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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.