Home / 6,972.45-9,613.87-4,735.77

Finding the Fourth Proportional to 6,972.45, 9,613.87 and 4,735.77

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Solution

The fourth proportional to 6,972.45, 9,613.87 and 4,735.77 is: 6,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.45 : 9,613.87 = 4,735.77 : x
  2. Step 2: Convert to fraction form
    6,972.45/9,613.87 = 4,735.77/x
  3. Step 3: Cross multiply
    6,972.45x = 9,613.87 × 4,735.77
  4. Step 4: Simplify right side
    6,972.45x = 45,529,053.45
  5. Step 5: Solve for x
    x = 45,529,053.45/6,972.45
  6. Step 6: Final answer
    x = 6,529.85

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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.