Home / 7,182.95-9,912.71-4,350.85

Finding the Fourth Proportional to 7,182.95, 9,912.71 and 4,350.85

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Solution

The fourth proportional to 7,182.95, 9,912.71 and 4,350.85 is: 6,004.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.95 : 9,912.71 = 4,350.85 : x
  2. Step 2: Convert to fraction form
    7,182.95/9,912.71 = 4,350.85/x
  3. Step 3: Cross multiply
    7,182.95x = 9,912.71 × 4,350.85
  4. Step 4: Simplify right side
    7,182.95x = 43,128,700.40
  5. Step 5: Solve for x
    x = 43,128,700.40/7,182.95
  6. Step 6: Final answer
    x = 6,004.32

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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.