Home / 9,445.96-14,167.38-2,780.89

Finding the Fourth Proportional to 9,445.96, 14,167.38 and 2,780.89

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Solution

The fourth proportional to 9,445.96, 14,167.38 and 2,780.89 is: 4,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,445.96 : 14,167.38 = 2,780.89 : x
  2. Step 2: Convert to fraction form
    9,445.96/14,167.38 = 2,780.89/x
  3. Step 3: Cross multiply
    9,445.96x = 14,167.38 × 2,780.89
  4. Step 4: Simplify right side
    9,445.96x = 39,397,925.37
  5. Step 5: Solve for x
    x = 39,397,925.37/9,445.96
  6. Step 6: Final answer
    x = 4,170.88

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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.