Home / 6,314.76-8,694.54-5,192.10

Finding the Fourth Proportional to 6,314.76, 8,694.54 and 5,192.10

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Solution

The fourth proportional to 6,314.76, 8,694.54 and 5,192.10 is: 7,148.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,314.76 : 8,694.54 = 5,192.10 : x
  2. Step 2: Convert to fraction form
    6,314.76/8,694.54 = 5,192.10/x
  3. Step 3: Cross multiply
    6,314.76x = 8,694.54 × 5,192.10
  4. Step 4: Simplify right side
    6,314.76x = 45,142,921.13
  5. Step 5: Solve for x
    x = 45,142,921.13/6,314.76
  6. Step 6: Final answer
    x = 7,148.79

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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.