Home / 7,470.56-11,209.81-3,313.55

Finding the Fourth Proportional to 7,470.56, 11,209.81 and 3,313.55

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Solution

The fourth proportional to 7,470.56, 11,209.81 and 3,313.55 is: 4,972.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.56 : 11,209.81 = 3,313.55 : x
  2. Step 2: Convert to fraction form
    7,470.56/11,209.81 = 3,313.55/x
  3. Step 3: Cross multiply
    7,470.56x = 11,209.81 × 3,313.55
  4. Step 4: Simplify right side
    7,470.56x = 37,144,265.93
  5. Step 5: Solve for x
    x = 37,144,265.93/7,470.56
  6. Step 6: Final answer
    x = 4,972.09

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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.