Home / 8,013.96-11,057.22-4,870.20

Finding the Fourth Proportional to 8,013.96, 11,057.22 and 4,870.20

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Solution

The fourth proportional to 8,013.96, 11,057.22 and 4,870.20 is: 6,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.96 : 11,057.22 = 4,870.20 : x
  2. Step 2: Convert to fraction form
    8,013.96/11,057.22 = 4,870.20/x
  3. Step 3: Cross multiply
    8,013.96x = 11,057.22 × 4,870.20
  4. Step 4: Simplify right side
    8,013.96x = 53,850,872.84
  5. Step 5: Solve for x
    x = 53,850,872.84/8,013.96
  6. Step 6: Final answer
    x = 6,719.63

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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.