Home / 7,789.19-10,749.70-4,433.03

Finding the Fourth Proportional to 7,789.19, 10,749.70 and 4,433.03

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Solution

The fourth proportional to 7,789.19, 10,749.70 and 4,433.03 is: 6,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.19 : 10,749.70 = 4,433.03 : x
  2. Step 2: Convert to fraction form
    7,789.19/10,749.70 = 4,433.03/x
  3. Step 3: Cross multiply
    7,789.19x = 10,749.70 × 4,433.03
  4. Step 4: Simplify right side
    7,789.19x = 47,653,677.76
  5. Step 5: Solve for x
    x = 47,653,677.76/7,789.19
  6. Step 6: Final answer
    x = 6,117.93

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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.