Home / 10,272.18-15,410.70-4,425.60

Finding the Fourth Proportional to 10,272.18, 15,410.70 and 4,425.60

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Solution

The fourth proportional to 10,272.18, 15,410.70 and 4,425.60 is: 6,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.18 : 15,410.70 = 4,425.60 : x
  2. Step 2: Convert to fraction form
    10,272.18/15,410.70 = 4,425.60/x
  3. Step 3: Cross multiply
    10,272.18x = 15,410.70 × 4,425.60
  4. Step 4: Simplify right side
    10,272.18x = 68,201,593.92
  5. Step 5: Solve for x
    x = 68,201,593.92/10,272.18
  6. Step 6: Final answer
    x = 6,639.45

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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.