Home / 11,780.37-16,262.48-7,475.63

Finding the Fourth Proportional to 11,780.37, 16,262.48 and 7,475.63

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Solution

The fourth proportional to 11,780.37, 16,262.48 and 7,475.63 is: 10,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.37 : 16,262.48 = 7,475.63 : x
  2. Step 2: Convert to fraction form
    11,780.37/16,262.48 = 7,475.63/x
  3. Step 3: Cross multiply
    11,780.37x = 16,262.48 × 7,475.63
  4. Step 4: Simplify right side
    11,780.37x = 121,572,283.36
  5. Step 5: Solve for x
    x = 121,572,283.36/11,780.37
  6. Step 6: Final answer
    x = 10,319.90

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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.