Home / 11,321.12-16,957.08-6,925.28

Finding the Fourth Proportional to 11,321.12, 16,957.08 and 6,925.28

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Solution

The fourth proportional to 11,321.12, 16,957.08 and 6,925.28 is: 10,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.12 : 16,957.08 = 6,925.28 : x
  2. Step 2: Convert to fraction form
    11,321.12/16,957.08 = 6,925.28/x
  3. Step 3: Cross multiply
    11,321.12x = 16,957.08 × 6,925.28
  4. Step 4: Simplify right side
    11,321.12x = 117,432,526.98
  5. Step 5: Solve for x
    x = 117,432,526.98/11,321.12
  6. Step 6: Final answer
    x = 10,372.87

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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.