Home / 7,113.46-9,819.26-5,350.15

Finding the Fourth Proportional to 7,113.46, 9,819.26 and 5,350.15

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Solution

The fourth proportional to 7,113.46, 9,819.26 and 5,350.15 is: 7,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.46 : 9,819.26 = 5,350.15 : x
  2. Step 2: Convert to fraction form
    7,113.46/9,819.26 = 5,350.15/x
  3. Step 3: Cross multiply
    7,113.46x = 9,819.26 × 5,350.15
  4. Step 4: Simplify right side
    7,113.46x = 52,534,513.89
  5. Step 5: Solve for x
    x = 52,534,513.89/7,113.46
  6. Step 6: Final answer
    x = 7,385.23

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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.