Home / 8,269.02-12,403.52-2,113.02

Finding the Fourth Proportional to 8,269.02, 12,403.52 and 2,113.02

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Solution

The fourth proportional to 8,269.02, 12,403.52 and 2,113.02 is: 3,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.02 : 12,403.52 = 2,113.02 : x
  2. Step 2: Convert to fraction form
    8,269.02/12,403.52 = 2,113.02/x
  3. Step 3: Cross multiply
    8,269.02x = 12,403.52 × 2,113.02
  4. Step 4: Simplify right side
    8,269.02x = 26,208,885.83
  5. Step 5: Solve for x
    x = 26,208,885.83/8,269.02
  6. Step 6: Final answer
    x = 3,169.53

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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.