Home / 10,925.08-16,405.30-10,116.60

Finding the Fourth Proportional to 10,925.08, 16,405.30 and 10,116.60

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Solution

The fourth proportional to 10,925.08, 16,405.30 and 10,116.60 is: 15,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.08 : 16,405.30 = 10,116.60 : x
  2. Step 2: Convert to fraction form
    10,925.08/16,405.30 = 10,116.60/x
  3. Step 3: Cross multiply
    10,925.08x = 16,405.30 × 10,116.60
  4. Step 4: Simplify right side
    10,925.08x = 165,965,857.98
  5. Step 5: Solve for x
    x = 165,965,857.98/10,925.08
  6. Step 6: Final answer
    x = 15,191.27

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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.