Home / 10,533.60-15,786.68-4,286.31

Finding the Fourth Proportional to 10,533.60, 15,786.68 and 4,286.31

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Solution

The fourth proportional to 10,533.60, 15,786.68 and 4,286.31 is: 6,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.60 : 15,786.68 = 4,286.31 : x
  2. Step 2: Convert to fraction form
    10,533.60/15,786.68 = 4,286.31/x
  3. Step 3: Cross multiply
    10,533.60x = 15,786.68 × 4,286.31
  4. Step 4: Simplify right side
    10,533.60x = 67,666,582.92
  5. Step 5: Solve for x
    x = 67,666,582.92/10,533.60
  6. Step 6: Final answer
    x = 6,423.88

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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.