Home / 8,645.28-11,925.32-5,452.94

Finding the Fourth Proportional to 8,645.28, 11,925.32 and 5,452.94

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Solution

The fourth proportional to 8,645.28, 11,925.32 and 5,452.94 is: 7,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.28 : 11,925.32 = 5,452.94 : x
  2. Step 2: Convert to fraction form
    8,645.28/11,925.32 = 5,452.94/x
  3. Step 3: Cross multiply
    8,645.28x = 11,925.32 × 5,452.94
  4. Step 4: Simplify right side
    8,645.28x = 65,027,967.55
  5. Step 5: Solve for x
    x = 65,027,967.55/8,645.28
  6. Step 6: Final answer
    x = 7,521.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.