Home / 9,076.60-12,525.70-5,299.48

Finding the Fourth Proportional to 9,076.60, 12,525.70 and 5,299.48

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Solution

The fourth proportional to 9,076.60, 12,525.70 and 5,299.48 is: 7,313.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.60 : 12,525.70 = 5,299.48 : x
  2. Step 2: Convert to fraction form
    9,076.60/12,525.70 = 5,299.48/x
  3. Step 3: Cross multiply
    9,076.60x = 12,525.70 × 5,299.48
  4. Step 4: Simplify right side
    9,076.60x = 66,379,696.64
  5. Step 5: Solve for x
    x = 66,379,696.64/9,076.60
  6. Step 6: Final answer
    x = 7,313.28

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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.