Home / 7,557.86-11,325.24-3,172.92

Finding the Fourth Proportional to 7,557.86, 11,325.24 and 3,172.92

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Solution

The fourth proportional to 7,557.86, 11,325.24 and 3,172.92 is: 4,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.86 : 11,325.24 = 3,172.92 : x
  2. Step 2: Convert to fraction form
    7,557.86/11,325.24 = 3,172.92/x
  3. Step 3: Cross multiply
    7,557.86x = 11,325.24 × 3,172.92
  4. Step 4: Simplify right side
    7,557.86x = 35,934,080.50
  5. Step 5: Solve for x
    x = 35,934,080.50/7,557.86
  6. Step 6: Final answer
    x = 4,754.53

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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.