Home / 10,635.91-15,953.87-4,785.68

Finding the Fourth Proportional to 10,635.91, 15,953.87 and 4,785.68

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Solution

The fourth proportional to 10,635.91, 15,953.87 and 4,785.68 is: 7,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.91 : 15,953.87 = 4,785.68 : x
  2. Step 2: Convert to fraction form
    10,635.91/15,953.87 = 4,785.68/x
  3. Step 3: Cross multiply
    10,635.91x = 15,953.87 × 4,785.68
  4. Step 4: Simplify right side
    10,635.91x = 76,350,132.54
  5. Step 5: Solve for x
    x = 76,350,132.54/10,635.91
  6. Step 6: Final answer
    x = 7,178.53

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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.