Home / 8,176.16-11,279.76-5,693.60

Finding the Fourth Proportional to 8,176.16, 11,279.76 and 5,693.60

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Solution

The fourth proportional to 8,176.16, 11,279.76 and 5,693.60 is: 7,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.16 : 11,279.76 = 5,693.60 : x
  2. Step 2: Convert to fraction form
    8,176.16/11,279.76 = 5,693.60/x
  3. Step 3: Cross multiply
    8,176.16x = 11,279.76 × 5,693.60
  4. Step 4: Simplify right side
    8,176.16x = 64,222,441.54
  5. Step 5: Solve for x
    x = 64,222,441.54/8,176.16
  6. Step 6: Final answer
    x = 7,854.84

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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.