Home / 9,470.77-13,069.07-5,221.61

Finding the Fourth Proportional to 9,470.77, 13,069.07 and 5,221.61

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Solution

The fourth proportional to 9,470.77, 13,069.07 and 5,221.61 is: 7,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,470.77 : 13,069.07 = 5,221.61 : x
  2. Step 2: Convert to fraction form
    9,470.77/13,069.07 = 5,221.61/x
  3. Step 3: Cross multiply
    9,470.77x = 13,069.07 × 5,221.61
  4. Step 4: Simplify right side
    9,470.77x = 68,241,586.60
  5. Step 5: Solve for x
    x = 68,241,586.60/9,470.77
  6. Step 6: Final answer
    x = 7,205.50

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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.