Home / 8,623.10-12,938.29-3,695.06

Finding the Fourth Proportional to 8,623.10, 12,938.29 and 3,695.06

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Solution

The fourth proportional to 8,623.10, 12,938.29 and 3,695.06 is: 5,544.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.10 : 12,938.29 = 3,695.06 : x
  2. Step 2: Convert to fraction form
    8,623.10/12,938.29 = 3,695.06/x
  3. Step 3: Cross multiply
    8,623.10x = 12,938.29 × 3,695.06
  4. Step 4: Simplify right side
    8,623.10x = 47,807,770.55
  5. Step 5: Solve for x
    x = 47,807,770.55/8,623.10
  6. Step 6: Final answer
    x = 5,544.15

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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.