Home / 7,462.61-11,172.30-5,621.48

Finding the Fourth Proportional to 7,462.61, 11,172.30 and 5,621.48

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Solution

The fourth proportional to 7,462.61, 11,172.30 and 5,621.48 is: 8,415.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,462.61 : 11,172.30 = 5,621.48 : x
  2. Step 2: Convert to fraction form
    7,462.61/11,172.30 = 5,621.48/x
  3. Step 3: Cross multiply
    7,462.61x = 11,172.30 × 5,621.48
  4. Step 4: Simplify right side
    7,462.61x = 62,804,861.00
  5. Step 5: Solve for x
    x = 62,804,861.00/7,462.61
  6. Step 6: Final answer
    x = 8,415.94

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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.