Home / 9,748.12-13,450.44-5,769.76

Finding the Fourth Proportional to 9,748.12, 13,450.44 and 5,769.76

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Solution

The fourth proportional to 9,748.12, 13,450.44 and 5,769.76 is: 7,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,748.12 : 13,450.44 = 5,769.76 : x
  2. Step 2: Convert to fraction form
    9,748.12/13,450.44 = 5,769.76/x
  3. Step 3: Cross multiply
    9,748.12x = 13,450.44 × 5,769.76
  4. Step 4: Simplify right side
    9,748.12x = 77,605,810.69
  5. Step 5: Solve for x
    x = 77,605,810.69/9,748.12
  6. Step 6: Final answer
    x = 7,961.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.