Home / 9,964.03-13,749.95-5,712.14

Finding the Fourth Proportional to 9,964.03, 13,749.95 and 5,712.14

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Solution

The fourth proportional to 9,964.03, 13,749.95 and 5,712.14 is: 7,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.03 : 13,749.95 = 5,712.14 : x
  2. Step 2: Convert to fraction form
    9,964.03/13,749.95 = 5,712.14/x
  3. Step 3: Cross multiply
    9,964.03x = 13,749.95 × 5,712.14
  4. Step 4: Simplify right side
    9,964.03x = 78,541,610.70
  5. Step 5: Solve for x
    x = 78,541,610.70/9,964.03
  6. Step 6: Final answer
    x = 7,882.51

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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.