Home / 10,925.40-16,388.19-6,777.48

Finding the Fourth Proportional to 10,925.40, 16,388.19 and 6,777.48

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Solution

The fourth proportional to 10,925.40, 16,388.19 and 6,777.48 is: 10,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.40 : 16,388.19 = 6,777.48 : x
  2. Step 2: Convert to fraction form
    10,925.40/16,388.19 = 6,777.48/x
  3. Step 3: Cross multiply
    10,925.40x = 16,388.19 × 6,777.48
  4. Step 4: Simplify right side
    10,925.40x = 111,070,629.96
  5. Step 5: Solve for x
    x = 111,070,629.96/10,925.40
  6. Step 6: Final answer
    x = 10,166.28

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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.