Home / 10,921.68-16,387.44-5,925.60

Finding the Fourth Proportional to 10,921.68, 16,387.44 and 5,925.60

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Solution

The fourth proportional to 10,921.68, 16,387.44 and 5,925.60 is: 8,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921.68 : 16,387.44 = 5,925.60 : x
  2. Step 2: Convert to fraction form
    10,921.68/16,387.44 = 5,925.60/x
  3. Step 3: Cross multiply
    10,921.68x = 16,387.44 × 5,925.60
  4. Step 4: Simplify right side
    10,921.68x = 97,105,414.46
  5. Step 5: Solve for x
    x = 97,105,414.46/10,921.68
  6. Step 6: Final answer
    x = 8,891.07

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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.