Home / 11,257.13-15,533.62-6,221.10

Finding the Fourth Proportional to 11,257.13, 15,533.62 and 6,221.10

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Solution

The fourth proportional to 11,257.13, 15,533.62 and 6,221.10 is: 8,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.13 : 15,533.62 = 6,221.10 : x
  2. Step 2: Convert to fraction form
    11,257.13/15,533.62 = 6,221.10/x
  3. Step 3: Cross multiply
    11,257.13x = 15,533.62 × 6,221.10
  4. Step 4: Simplify right side
    11,257.13x = 96,636,281.07
  5. Step 5: Solve for x
    x = 96,636,281.07/11,257.13
  6. Step 6: Final answer
    x = 8,584.45

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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.