Home / 8,263.08-11,395.23-5,425.45

Finding the Fourth Proportional to 8,263.08, 11,395.23 and 5,425.45

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Solution

The fourth proportional to 8,263.08, 11,395.23 and 5,425.45 is: 7,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.08 : 11,395.23 = 5,425.45 : x
  2. Step 2: Convert to fraction form
    8,263.08/11,395.23 = 5,425.45/x
  3. Step 3: Cross multiply
    8,263.08x = 11,395.23 × 5,425.45
  4. Step 4: Simplify right side
    8,263.08x = 61,824,232.29
  5. Step 5: Solve for x
    x = 61,824,232.29/8,263.08
  6. Step 6: Final answer
    x = 7,481.98

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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.