Home / 10,607.42-15,911.22-3,212.46

Finding the Fourth Proportional to 10,607.42, 15,911.22 and 3,212.46

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Solution

The fourth proportional to 10,607.42, 15,911.22 and 3,212.46 is: 4,818.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,607.42 : 15,911.22 = 3,212.46 : x
  2. Step 2: Convert to fraction form
    10,607.42/15,911.22 = 3,212.46/x
  3. Step 3: Cross multiply
    10,607.42x = 15,911.22 × 3,212.46
  4. Step 4: Simplify right side
    10,607.42x = 51,114,151.78
  5. Step 5: Solve for x
    x = 51,114,151.78/10,607.42
  6. Step 6: Final answer
    x = 4,818.72

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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.