Home / 6,086.70-9,117.36-3,156.12

Finding the Fourth Proportional to 6,086.70, 9,117.36 and 3,156.12

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Solution

The fourth proportional to 6,086.70, 9,117.36 and 3,156.12 is: 4,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.70 : 9,117.36 = 3,156.12 : x
  2. Step 2: Convert to fraction form
    6,086.70/9,117.36 = 3,156.12/x
  3. Step 3: Cross multiply
    6,086.70x = 9,117.36 × 3,156.12
  4. Step 4: Simplify right side
    6,086.70x = 28,775,482.24
  5. Step 5: Solve for x
    x = 28,775,482.24/6,086.70
  6. Step 6: Final answer
    x = 4,727.60

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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.