Home / 10,475.39-15,713.46-3,455.58

Finding the Fourth Proportional to 10,475.39, 15,713.46 and 3,455.58

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Solution

The fourth proportional to 10,475.39, 15,713.46 and 3,455.58 is: 5,183.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475.39 : 15,713.46 = 3,455.58 : x
  2. Step 2: Convert to fraction form
    10,475.39/15,713.46 = 3,455.58/x
  3. Step 3: Cross multiply
    10,475.39x = 15,713.46 × 3,455.58
  4. Step 4: Simplify right side
    10,475.39x = 54,299,118.11
  5. Step 5: Solve for x
    x = 54,299,118.11/10,475.39
  6. Step 6: Final answer
    x = 5,183.49

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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.