Home / 9,780.72-14,654.52-6,993.24

Finding the Fourth Proportional to 9,780.72, 14,654.52 and 6,993.24

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Solution

The fourth proportional to 9,780.72, 14,654.52 and 6,993.24 is: 10,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.72 : 14,654.52 = 6,993.24 : x
  2. Step 2: Convert to fraction form
    9,780.72/14,654.52 = 6,993.24/x
  3. Step 3: Cross multiply
    9,780.72x = 14,654.52 × 6,993.24
  4. Step 4: Simplify right side
    9,780.72x = 102,482,575.44
  5. Step 5: Solve for x
    x = 102,482,575.44/9,780.72
  6. Step 6: Final answer
    x = 10,478.02

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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.