Home / 10,646.99-15,970.55-2,748.97

Finding the Fourth Proportional to 10,646.99, 15,970.55 and 2,748.97

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Solution

The fourth proportional to 10,646.99, 15,970.55 and 2,748.97 is: 4,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.99 : 15,970.55 = 2,748.97 : x
  2. Step 2: Convert to fraction form
    10,646.99/15,970.55 = 2,748.97/x
  3. Step 3: Cross multiply
    10,646.99x = 15,970.55 × 2,748.97
  4. Step 4: Simplify right side
    10,646.99x = 43,902,469.24
  5. Step 5: Solve for x
    x = 43,902,469.24/10,646.99
  6. Step 6: Final answer
    x = 4,123.46

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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.