Home / 8,621.18-11,896.98-5,263.23

Finding the Fourth Proportional to 8,621.18, 11,896.98 and 5,263.23

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Solution

The fourth proportional to 8,621.18, 11,896.98 and 5,263.23 is: 7,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.18 : 11,896.98 = 5,263.23 : x
  2. Step 2: Convert to fraction form
    8,621.18/11,896.98 = 5,263.23/x
  3. Step 3: Cross multiply
    8,621.18x = 11,896.98 × 5,263.23
  4. Step 4: Simplify right side
    8,621.18x = 62,616,500.00
  5. Step 5: Solve for x
    x = 62,616,500.00/8,621.18
  6. Step 6: Final answer
    x = 7,263.10

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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.