Home / 10,654.82-15,979.57-4,416.55

Finding the Fourth Proportional to 10,654.82, 15,979.57 and 4,416.55

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Solution

The fourth proportional to 10,654.82, 15,979.57 and 4,416.55 is: 6,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.82 : 15,979.57 = 4,416.55 : x
  2. Step 2: Convert to fraction form
    10,654.82/15,979.57 = 4,416.55/x
  3. Step 3: Cross multiply
    10,654.82x = 15,979.57 × 4,416.55
  4. Step 4: Simplify right side
    10,654.82x = 70,574,557.62
  5. Step 5: Solve for x
    x = 70,574,557.62/10,654.82
  6. Step 6: Final answer
    x = 6,623.72

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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.