Home / 8,683.16-13,021.52-3,135.04

Finding the Fourth Proportional to 8,683.16, 13,021.52 and 3,135.04

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Solution

The fourth proportional to 8,683.16, 13,021.52 and 3,135.04 is: 4,701.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.16 : 13,021.52 = 3,135.04 : x
  2. Step 2: Convert to fraction form
    8,683.16/13,021.52 = 3,135.04/x
  3. Step 3: Cross multiply
    8,683.16x = 13,021.52 × 3,135.04
  4. Step 4: Simplify right side
    8,683.16x = 40,822,937.83
  5. Step 5: Solve for x
    x = 40,822,937.83/8,683.16
  6. Step 6: Final answer
    x = 4,701.39

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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.