Home / 7,645.29-11,470.82-5,203.14

Finding the Fourth Proportional to 7,645.29, 11,470.82 and 5,203.14

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Solution

The fourth proportional to 7,645.29, 11,470.82 and 5,203.14 is: 7,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.29 : 11,470.82 = 5,203.14 : x
  2. Step 2: Convert to fraction form
    7,645.29/11,470.82 = 5,203.14/x
  3. Step 3: Cross multiply
    7,645.29x = 11,470.82 × 5,203.14
  4. Step 4: Simplify right side
    7,645.29x = 59,684,213.34
  5. Step 5: Solve for x
    x = 59,684,213.34/7,645.29
  6. Step 6: Final answer
    x = 7,806.67

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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.