Home / 8,370.64-12,555.96-6,076.72

Finding the Fourth Proportional to 8,370.64, 12,555.96 and 6,076.72

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Solution

The fourth proportional to 8,370.64, 12,555.96 and 6,076.72 is: 9,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.64 : 12,555.96 = 6,076.72 : x
  2. Step 2: Convert to fraction form
    8,370.64/12,555.96 = 6,076.72/x
  3. Step 3: Cross multiply
    8,370.64x = 12,555.96 × 6,076.72
  4. Step 4: Simplify right side
    8,370.64x = 76,299,053.25
  5. Step 5: Solve for x
    x = 76,299,053.25/8,370.64
  6. Step 6: Final answer
    x = 9,115.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.