Home / 9,447.88-14,172.40-2,874.55

Finding the Fourth Proportional to 9,447.88, 14,172.40 and 2,874.55

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Solution

The fourth proportional to 9,447.88, 14,172.40 and 2,874.55 is: 4,312.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.88 : 14,172.40 = 2,874.55 : x
  2. Step 2: Convert to fraction form
    9,447.88/14,172.40 = 2,874.55/x
  3. Step 3: Cross multiply
    9,447.88x = 14,172.40 × 2,874.55
  4. Step 4: Simplify right side
    9,447.88x = 40,739,272.42
  5. Step 5: Solve for x
    x = 40,739,272.42/9,447.88
  6. Step 6: Final answer
    x = 4,312.00

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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.