Home / 8,057.77-11,120.07-4,700.05

Finding the Fourth Proportional to 8,057.77, 11,120.07 and 4,700.05

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Solution

The fourth proportional to 8,057.77, 11,120.07 and 4,700.05 is: 6,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.77 : 11,120.07 = 4,700.05 : x
  2. Step 2: Convert to fraction form
    8,057.77/11,120.07 = 4,700.05/x
  3. Step 3: Cross multiply
    8,057.77x = 11,120.07 × 4,700.05
  4. Step 4: Simplify right side
    8,057.77x = 52,264,885.00
  5. Step 5: Solve for x
    x = 52,264,885.00/8,057.77
  6. Step 6: Final answer
    x = 6,486.27

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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.