Home / 8,460.50-11,675.39-4,683.68

Finding the Fourth Proportional to 8,460.50, 11,675.39 and 4,683.68

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Solution

The fourth proportional to 8,460.50, 11,675.39 and 4,683.68 is: 6,463.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.50 : 11,675.39 = 4,683.68 : x
  2. Step 2: Convert to fraction form
    8,460.50/11,675.39 = 4,683.68/x
  3. Step 3: Cross multiply
    8,460.50x = 11,675.39 × 4,683.68
  4. Step 4: Simplify right side
    8,460.50x = 54,683,743.97
  5. Step 5: Solve for x
    x = 54,683,743.97/8,460.50
  6. Step 6: Final answer
    x = 6,463.42

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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.