Home / 8,057.60-11,117.20-4,700.56

Finding the Fourth Proportional to 8,057.60, 11,117.20 and 4,700.56

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Solution

The fourth proportional to 8,057.60, 11,117.20 and 4,700.56 is: 6,485.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.60 : 11,117.20 = 4,700.56 : x
  2. Step 2: Convert to fraction form
    8,057.60/11,117.20 = 4,700.56/x
  3. Step 3: Cross multiply
    8,057.60x = 11,117.20 × 4,700.56
  4. Step 4: Simplify right side
    8,057.60x = 52,257,065.63
  5. Step 5: Solve for x
    x = 52,257,065.63/8,057.60
  6. Step 6: Final answer
    x = 6,485.44

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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.