Home / 10,867.30-16,300.64-3,472.20

Finding the Fourth Proportional to 10,867.30, 16,300.64 and 3,472.20

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Solution

The fourth proportional to 10,867.30, 16,300.64 and 3,472.20 is: 5,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.30 : 16,300.64 = 3,472.20 : x
  2. Step 2: Convert to fraction form
    10,867.30/16,300.64 = 3,472.20/x
  3. Step 3: Cross multiply
    10,867.30x = 16,300.64 × 3,472.20
  4. Step 4: Simplify right side
    10,867.30x = 56,599,090.89
  5. Step 5: Solve for x
    x = 56,599,090.89/10,867.30
  6. Step 6: Final answer
    x = 5,208.20

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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.