Home / 11,256.49-15,533.15-6,220.65

Finding the Fourth Proportional to 11,256.49, 15,533.15 and 6,220.65

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Solution

The fourth proportional to 11,256.49, 15,533.15 and 6,220.65 is: 8,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.49 : 15,533.15 = 6,220.65 : x
  2. Step 2: Convert to fraction form
    11,256.49/15,533.15 = 6,220.65/x
  3. Step 3: Cross multiply
    11,256.49x = 15,533.15 × 6,220.65
  4. Step 4: Simplify right side
    11,256.49x = 96,626,258.44
  5. Step 5: Solve for x
    x = 96,626,258.44/11,256.49
  6. Step 6: Final answer
    x = 8,584.05

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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.