Home / 10,425.68-15,632.76-3,498.32

Finding the Fourth Proportional to 10,425.68, 15,632.76 and 3,498.32

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Solution

The fourth proportional to 10,425.68, 15,632.76 and 3,498.32 is: 5,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.68 : 15,632.76 = 3,498.32 : x
  2. Step 2: Convert to fraction form
    10,425.68/15,632.76 = 3,498.32/x
  3. Step 3: Cross multiply
    10,425.68x = 15,632.76 × 3,498.32
  4. Step 4: Simplify right side
    10,425.68x = 54,688,396.96
  5. Step 5: Solve for x
    x = 54,688,396.96/10,425.68
  6. Step 6: Final answer
    x = 5,245.55

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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.