Home / 8,266.39-11,403.72-4,727.57

Finding the Fourth Proportional to 8,266.39, 11,403.72 and 4,727.57

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Solution

The fourth proportional to 8,266.39, 11,403.72 and 4,727.57 is: 6,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.39 : 11,403.72 = 4,727.57 : x
  2. Step 2: Convert to fraction form
    8,266.39/11,403.72 = 4,727.57/x
  3. Step 3: Cross multiply
    8,266.39x = 11,403.72 × 4,727.57
  4. Step 4: Simplify right side
    8,266.39x = 53,911,827.54
  5. Step 5: Solve for x
    x = 53,911,827.54/8,266.39
  6. Step 6: Final answer
    x = 6,521.81

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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.