Home / 9,359.66-12,912.26-5,631.50

Finding the Fourth Proportional to 9,359.66, 12,912.26 and 5,631.50

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Solution

The fourth proportional to 9,359.66, 12,912.26 and 5,631.50 is: 7,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.66 : 12,912.26 = 5,631.50 : x
  2. Step 2: Convert to fraction form
    9,359.66/12,912.26 = 5,631.50/x
  3. Step 3: Cross multiply
    9,359.66x = 12,912.26 × 5,631.50
  4. Step 4: Simplify right side
    9,359.66x = 72,715,392.19
  5. Step 5: Solve for x
    x = 72,715,392.19/9,359.66
  6. Step 6: Final answer
    x = 7,769.02

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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.