Home / 8,247.49-11,372.80-5,263.45

Finding the Fourth Proportional to 8,247.49, 11,372.80 and 5,263.45

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Solution

The fourth proportional to 8,247.49, 11,372.80 and 5,263.45 is: 7,257.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.49 : 11,372.80 = 5,263.45 : x
  2. Step 2: Convert to fraction form
    8,247.49/11,372.80 = 5,263.45/x
  3. Step 3: Cross multiply
    8,247.49x = 11,372.80 × 5,263.45
  4. Step 4: Simplify right side
    8,247.49x = 59,860,164.16
  5. Step 5: Solve for x
    x = 59,860,164.16/8,247.49
  6. Step 6: Final answer
    x = 7,257.99

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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.