Home / 10,488.37-15,728.81-3,467.09

Finding the Fourth Proportional to 10,488.37, 15,728.81 and 3,467.09

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Solution

The fourth proportional to 10,488.37, 15,728.81 and 3,467.09 is: 5,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488.37 : 15,728.81 = 3,467.09 : x
  2. Step 2: Convert to fraction form
    10,488.37/15,728.81 = 3,467.09/x
  3. Step 3: Cross multiply
    10,488.37x = 15,728.81 × 3,467.09
  4. Step 4: Simplify right side
    10,488.37x = 54,533,204.20
  5. Step 5: Solve for x
    x = 54,533,204.20/10,488.37
  6. Step 6: Final answer
    x = 5,199.40

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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.