Home / 8,565.36-11,819.64-4,839.60

Finding the Fourth Proportional to 8,565.36, 11,819.64 and 4,839.60

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Solution

The fourth proportional to 8,565.36, 11,819.64 and 4,839.60 is: 6,678.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.36 : 11,819.64 = 4,839.60 : x
  2. Step 2: Convert to fraction form
    8,565.36/11,819.64 = 4,839.60/x
  3. Step 3: Cross multiply
    8,565.36x = 11,819.64 × 4,839.60
  4. Step 4: Simplify right side
    8,565.36x = 57,202,329.74
  5. Step 5: Solve for x
    x = 57,202,329.74/8,565.36
  6. Step 6: Final answer
    x = 6,678.33

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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.