Home / 11,780.30-16,256.60-6,475.01

Finding the Fourth Proportional to 11,780.30, 16,256.60 and 6,475.01

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Solution

The fourth proportional to 11,780.30, 16,256.60 and 6,475.01 is: 8,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.30 : 16,256.60 = 6,475.01 : x
  2. Step 2: Convert to fraction form
    11,780.30/16,256.60 = 6,475.01/x
  3. Step 3: Cross multiply
    11,780.30x = 16,256.60 × 6,475.01
  4. Step 4: Simplify right side
    11,780.30x = 105,261,558.19
  5. Step 5: Solve for x
    x = 105,261,558.19/11,780.30
  6. Step 6: Final answer
    x = 8,935.39

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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.