Home / 11,250.71-15,525.05-6,470.41

Finding the Fourth Proportional to 11,250.71, 15,525.05 and 6,470.41

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Solution

The fourth proportional to 11,250.71, 15,525.05 and 6,470.41 is: 8,928.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.71 : 15,525.05 = 6,470.41 : x
  2. Step 2: Convert to fraction form
    11,250.71/15,525.05 = 6,470.41/x
  3. Step 3: Cross multiply
    11,250.71x = 15,525.05 × 6,470.41
  4. Step 4: Simplify right side
    11,250.71x = 100,453,438.77
  5. Step 5: Solve for x
    x = 100,453,438.77/11,250.71
  6. Step 6: Final answer
    x = 8,928.63

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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.