Home / 8,316.39-12,473.58-5,196.68

Finding the Fourth Proportional to 8,316.39, 12,473.58 and 5,196.68

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Solution

The fourth proportional to 8,316.39, 12,473.58 and 5,196.68 is: 7,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.39 : 12,473.58 = 5,196.68 : x
  2. Step 2: Convert to fraction form
    8,316.39/12,473.58 = 5,196.68/x
  3. Step 3: Cross multiply
    8,316.39x = 12,473.58 × 5,196.68
  4. Step 4: Simplify right side
    8,316.39x = 64,821,203.71
  5. Step 5: Solve for x
    x = 64,821,203.71/8,316.39
  6. Step 6: Final answer
    x = 7,794.39

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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.