Home / 7,317.20-10,975.80-5,373.20

Finding the Fourth Proportional to 7,317.20, 10,975.80 and 5,373.20

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Solution

The fourth proportional to 7,317.20, 10,975.80 and 5,373.20 is: 8,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.20 : 10,975.80 = 5,373.20 : x
  2. Step 2: Convert to fraction form
    7,317.20/10,975.80 = 5,373.20/x
  3. Step 3: Cross multiply
    7,317.20x = 10,975.80 × 5,373.20
  4. Step 4: Simplify right side
    7,317.20x = 58,975,168.56
  5. Step 5: Solve for x
    x = 58,975,168.56/7,317.20
  6. Step 6: Final answer
    x = 8,059.80

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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.