Home / 6,990.07-10,485.10-4,792.13

Finding the Fourth Proportional to 6,990.07, 10,485.10 and 4,792.13

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Solution

The fourth proportional to 6,990.07, 10,485.10 and 4,792.13 is: 7,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.07 : 10,485.10 = 4,792.13 : x
  2. Step 2: Convert to fraction form
    6,990.07/10,485.10 = 4,792.13/x
  3. Step 3: Cross multiply
    6,990.07x = 10,485.10 × 4,792.13
  4. Step 4: Simplify right side
    6,990.07x = 50,246,014.13
  5. Step 5: Solve for x
    x = 50,246,014.13/6,990.07
  6. Step 6: Final answer
    x = 7,188.20

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Similar ratio
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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.